Home / 442,766.81-664,641.89-229,477.61

Finding the Fourth Proportional to 442,766.81, 664,641.89 and 229,477.61

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Solution

The fourth proportional to 442,766.81, 664,641.89 and 229,477.61 is: 344,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,766.81 : 664,641.89 = 229,477.61 : x
  2. Step 2: Convert to fraction form
    442,766.81/664,641.89 = 229,477.61/x
  3. Step 3: Cross multiply
    442,766.81x = 664,641.89 × 229,477.61
  4. Step 4: Simplify right side
    442,766.81x = 152,520,432,937.30
  5. Step 5: Solve for x
    x = 152,520,432,937.30/442,766.81
  6. Step 6: Final answer
    x = 344,471.24

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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.