Home / 266,339.28-367,531.92-145,456.08

Finding the Fourth Proportional to 266,339.28, 367,531.92 and 145,456.08

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Solution

The fourth proportional to 266,339.28, 367,531.92 and 145,456.08 is: 200,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,339.28 : 367,531.92 = 145,456.08 : x
  2. Step 2: Convert to fraction form
    266,339.28/367,531.92 = 145,456.08/x
  3. Step 3: Cross multiply
    266,339.28x = 367,531.92 × 145,456.08
  4. Step 4: Simplify right side
    266,339.28x = 53,459,752,358.07
  5. Step 5: Solve for x
    x = 53,459,752,358.07/266,339.28
  6. Step 6: Final answer
    x = 200,720.50

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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.