Home / 385,105.29-577,475.64-225,227.49

Finding the Fourth Proportional to 385,105.29, 577,475.64 and 225,227.49

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Solution

The fourth proportional to 385,105.29, 577,475.64 and 225,227.49 is: 337,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,105.29 : 577,475.64 = 225,227.49 : x
  2. Step 2: Convert to fraction form
    385,105.29/577,475.64 = 225,227.49/x
  3. Step 3: Cross multiply
    385,105.29x = 577,475.64 × 225,227.49
  4. Step 4: Simplify right side
    385,105.29x = 130,063,388,933.34
  5. Step 5: Solve for x
    x = 130,063,388,933.34/385,105.29
  6. Step 6: Final answer
    x = 337,734.62

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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.