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Finding the Fourth Proportional to 479,306.16, 718,860.83 and 226,479.24

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Solution

The fourth proportional to 479,306.16, 718,860.83 and 226,479.24 is: 339,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,306.16 : 718,860.83 = 226,479.24 : x
  2. Step 2: Convert to fraction form
    479,306.16/718,860.83 = 226,479.24/x
  3. Step 3: Cross multiply
    479,306.16x = 718,860.83 × 226,479.24
  4. Step 4: Simplify right side
    479,306.16x = 162,807,053,311.77
  5. Step 5: Solve for x
    x = 162,807,053,311.77/479,306.16
  6. Step 6: Final answer
    x = 339,672.36

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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.