Home / 442,933.90-664,400.85-162,414.70

Finding the Fourth Proportional to 442,933.90, 664,400.85 and 162,414.70

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Solution

The fourth proportional to 442,933.90, 664,400.85 and 162,414.70 is: 243,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,933.90 : 664,400.85 = 162,414.70 : x
  2. Step 2: Convert to fraction form
    442,933.90/664,400.85 = 162,414.70/x
  3. Step 3: Cross multiply
    442,933.90x = 664,400.85 × 162,414.70
  4. Step 4: Simplify right side
    442,933.90x = 107,908,464,732.50
  5. Step 5: Solve for x
    x = 107,908,464,732.50/442,933.90
  6. Step 6: Final answer
    x = 243,622.05

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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.