Home / 372,565.01-513,160.29-286,359.14

Finding the Fourth Proportional to 372,565.01, 513,160.29 and 286,359.14

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Solution

The fourth proportional to 372,565.01, 513,160.29 and 286,359.14 is: 394,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,565.01 : 513,160.29 = 286,359.14 : x
  2. Step 2: Convert to fraction form
    372,565.01/513,160.29 = 286,359.14/x
  3. Step 3: Cross multiply
    372,565.01x = 513,160.29 × 286,359.14
  4. Step 4: Simplify right side
    372,565.01x = 146,948,136,760.75
  5. Step 5: Solve for x
    x = 146,948,136,760.75/372,565.01
  6. Step 6: Final answer
    x = 394,422.81

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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.