Home / 487,554.80-731,351.33-150,565.43

Finding the Fourth Proportional to 487,554.80, 731,351.33 and 150,565.43

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Solution

The fourth proportional to 487,554.80, 731,351.33 and 150,565.43 is: 225,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,554.80 : 731,351.33 = 150,565.43 : x
  2. Step 2: Convert to fraction form
    487,554.80/731,351.33 = 150,565.43/x
  3. Step 3: Cross multiply
    487,554.80x = 731,351.33 × 150,565.43
  4. Step 4: Simplify right side
    487,554.80x = 110,116,229,122.69
  5. Step 5: Solve for x
    x = 110,116,229,122.69/487,554.80
  6. Step 6: Final answer
    x = 225,854.06

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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.