Home / 534,632.08-801,949.78-135,272.78

Finding the Fourth Proportional to 534,632.08, 801,949.78 and 135,272.78

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Solution

The fourth proportional to 534,632.08, 801,949.78 and 135,272.78 is: 202,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,632.08 : 801,949.78 = 135,272.78 : x
  2. Step 2: Convert to fraction form
    534,632.08/801,949.78 = 135,272.78/x
  3. Step 3: Cross multiply
    534,632.08x = 801,949.78 × 135,272.78
  4. Step 4: Simplify right side
    534,632.08x = 108,481,979,267.93
  5. Step 5: Solve for x
    x = 108,481,979,267.93/534,632.08
  6. Step 6: Final answer
    x = 202,909.59

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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.