Home / 442,126.46-663,124.92-217,426.50

Finding the Fourth Proportional to 442,126.46, 663,124.92 and 217,426.50

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Solution

The fourth proportional to 442,126.46, 663,124.92 and 217,426.50 is: 326,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,126.46 : 663,124.92 = 217,426.50 : x
  2. Step 2: Convert to fraction form
    442,126.46/663,124.92 = 217,426.50/x
  3. Step 3: Cross multiply
    442,126.46x = 663,124.92 × 217,426.50
  4. Step 4: Simplify right side
    442,126.46x = 144,180,930,418.38
  5. Step 5: Solve for x
    x = 144,180,930,418.38/442,126.46
  6. Step 6: Final answer
    x = 326,107.90

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1.5x scale

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.