Home / 442,936.89-664,511.18-143,417.79

Finding the Fourth Proportional to 442,936.89, 664,511.18 and 143,417.79

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Solution

The fourth proportional to 442,936.89, 664,511.18 and 143,417.79 is: 215,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,936.89 : 664,511.18 = 143,417.79 : x
  2. Step 2: Convert to fraction form
    442,936.89/664,511.18 = 143,417.79/x
  3. Step 3: Cross multiply
    442,936.89x = 664,511.18 × 143,417.79
  4. Step 4: Simplify right side
    442,936.89x = 95,302,724,148.80
  5. Step 5: Solve for x
    x = 95,302,724,148.80/442,936.89
  6. Step 6: Final answer
    x = 215,160.95

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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.