Home / 502,217.27-753,325.90-221,678.63

Finding the Fourth Proportional to 502,217.27, 753,325.90 and 221,678.63

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Solution

The fourth proportional to 502,217.27, 753,325.90 and 221,678.63 is: 332,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,217.27 : 753,325.90 = 221,678.63 : x
  2. Step 2: Convert to fraction form
    502,217.27/753,325.90 = 221,678.63/x
  3. Step 3: Cross multiply
    502,217.27x = 753,325.90 × 221,678.63
  4. Step 4: Simplify right side
    502,217.27x = 166,996,253,455.52
  5. Step 5: Solve for x
    x = 166,996,253,455.52/502,217.27
  6. Step 6: Final answer
    x = 332,517.94

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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.