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Finding the Fourth Proportional to 479,045.56, 718,723.86 and 229,747

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Solution

The fourth proportional to 479,045.56, 718,723.86 and 229,747 is: 344,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,045.56 : 718,723.86 = 229,747 : x
  2. Step 2: Convert to fraction form
    479,045.56/718,723.86 = 229,747/x
  3. Step 3: Cross multiply
    479,045.56x = 718,723.86 × 229,747
  4. Step 4: Simplify right side
    479,045.56x = 165,124,650,663.42
  5. Step 5: Solve for x
    x = 165,124,650,663.42/479,045.56
  6. Step 6: Final answer
    x = 344,695.09

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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.