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Finding the Fourth Proportional to 540,316.02, 810,474.02 and 207,814.26

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Solution

The fourth proportional to 540,316.02, 810,474.02 and 207,814.26 is: 311,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,316.02 : 810,474.02 = 207,814.26 : x
  2. Step 2: Convert to fraction form
    540,316.02/810,474.02 = 207,814.26/x
  3. Step 3: Cross multiply
    540,316.02x = 810,474.02 × 207,814.26
  4. Step 4: Simplify right side
    540,316.02x = 168,428,058,715.53
  5. Step 5: Solve for x
    x = 168,428,058,715.53/540,316.02
  6. Step 6: Final answer
    x = 311,721.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.