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Finding the Fourth Proportional to 540,314.94, 810,472.41 and 203,431.17

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Solution

The fourth proportional to 540,314.94, 810,472.41 and 203,431.17 is: 305,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,314.94 : 810,472.41 = 203,431.17 : x
  2. Step 2: Convert to fraction form
    540,314.94/810,472.41 = 203,431.17/x
  3. Step 3: Cross multiply
    540,314.94x = 810,472.41 × 203,431.17
  4. Step 4: Simplify right side
    540,314.94x = 164,875,350,619.02
  5. Step 5: Solve for x
    x = 164,875,350,619.02/540,314.94
  6. Step 6: Final answer
    x = 305,146.76

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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.