Home / 385,229.79-577,465.61-225,102.51

Finding the Fourth Proportional to 385,229.79, 577,465.61 and 225,102.51

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Solution

The fourth proportional to 385,229.79, 577,465.61 and 225,102.51 is: 337,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,229.79 : 577,465.61 = 225,102.51 : x
  2. Step 2: Convert to fraction form
    385,229.79/577,465.61 = 225,102.51/x
  3. Step 3: Cross multiply
    385,229.79x = 577,465.61 × 225,102.51
  4. Step 4: Simplify right side
    385,229.79x = 129,988,957,124.17
  5. Step 5: Solve for x
    x = 129,988,957,124.17/385,229.79
  6. Step 6: Final answer
    x = 337,432.26

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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.