Home / 577,154.62-865,731.92-156,430.50

Finding the Fourth Proportional to 577,154.62, 865,731.92 and 156,430.50

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Solution

The fourth proportional to 577,154.62, 865,731.92 and 156,430.50 is: 234,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,154.62 : 865,731.92 = 156,430.50 : x
  2. Step 2: Convert to fraction form
    577,154.62/865,731.92 = 156,430.50/x
  3. Step 3: Cross multiply
    577,154.62x = 865,731.92 × 156,430.50
  4. Step 4: Simplify right side
    577,154.62x = 135,426,877,111.56
  5. Step 5: Solve for x
    x = 135,426,877,111.56/577,154.62
  6. Step 6: Final answer
    x = 234,645.75

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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.