Home / 577,110.20-865,665.32-156,386.07

Finding the Fourth Proportional to 577,110.20, 865,665.32 and 156,386.07

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Solution

The fourth proportional to 577,110.20, 865,665.32 and 156,386.07 is: 234,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,110.20 : 865,665.32 = 156,386.07 : x
  2. Step 2: Convert to fraction form
    577,110.20/865,665.32 = 156,386.07/x
  3. Step 3: Cross multiply
    577,110.20x = 865,665.32 × 156,386.07
  4. Step 4: Simplify right side
    577,110.20x = 135,377,996,548.16
  5. Step 5: Solve for x
    x = 135,377,996,548.16/577,110.20
  6. Step 6: Final answer
    x = 234,579.11

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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.