Home / 373,053.28-514,811.86-203,287.40

Finding the Fourth Proportional to 373,053.28, 514,811.86 and 203,287.40

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Solution

The fourth proportional to 373,053.28, 514,811.86 and 203,287.40 is: 280,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,053.28 : 514,811.86 = 203,287.40 : x
  2. Step 2: Convert to fraction form
    373,053.28/514,811.86 = 203,287.40/x
  3. Step 3: Cross multiply
    373,053.28x = 514,811.86 × 203,287.40
  4. Step 4: Simplify right side
    373,053.28x = 104,654,764,508.56
  5. Step 5: Solve for x
    x = 104,654,764,508.56/373,053.28
  6. Step 6: Final answer
    x = 280,535.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.