Home / 442,160.60-663,176.12-217,460.61

Finding the Fourth Proportional to 442,160.60, 663,176.12 and 217,460.61

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Solution

The fourth proportional to 442,160.60, 663,176.12 and 217,460.61 is: 326,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,160.60 : 663,176.12 = 217,460.61 : x
  2. Step 2: Convert to fraction form
    442,160.60/663,176.12 = 217,460.61/x
  3. Step 3: Cross multiply
    442,160.60x = 663,176.12 × 217,460.61
  4. Step 4: Simplify right side
    442,160.60x = 144,214,682,505.33
  5. Step 5: Solve for x
    x = 144,214,682,505.33/442,160.60
  6. Step 6: Final answer
    x = 326,159.06

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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.