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Finding the Fourth Proportional to 540,169.94, 810,255.28 and 140,809.70

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Solution

The fourth proportional to 540,169.94, 810,255.28 and 140,809.70 is: 211,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,169.94 : 810,255.28 = 140,809.70 : x
  2. Step 2: Convert to fraction form
    540,169.94/810,255.28 = 140,809.70/x
  3. Step 3: Cross multiply
    540,169.94x = 810,255.28 × 140,809.70
  4. Step 4: Simplify right side
    540,169.94x = 114,091,802,900.22
  5. Step 5: Solve for x
    x = 114,091,802,900.22/540,169.94
  6. Step 6: Final answer
    x = 211,214.65

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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.