Home / 558,115.20-837,172.80-203,140.80

Finding the Fourth Proportional to 558,115.20, 837,172.80 and 203,140.80

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Solution

The fourth proportional to 558,115.20, 837,172.80 and 203,140.80 is: 304,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,115.20 : 837,172.80 = 203,140.80 : x
  2. Step 2: Convert to fraction form
    558,115.20/837,172.80 = 203,140.80/x
  3. Step 3: Cross multiply
    558,115.20x = 837,172.80 × 203,140.80
  4. Step 4: Simplify right side
    558,115.20x = 170,063,952,330.24
  5. Step 5: Solve for x
    x = 170,063,952,330.24/558,115.20
  6. Step 6: Final answer
    x = 304,711.20

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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.