Home / 442,829.90-664,244.85-162,310.70

Finding the Fourth Proportional to 442,829.90, 664,244.85 and 162,310.70

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Solution

The fourth proportional to 442,829.90, 664,244.85 and 162,310.70 is: 243,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829.90 : 664,244.85 = 162,310.70 : x
  2. Step 2: Convert to fraction form
    442,829.90/664,244.85 = 162,310.70/x
  3. Step 3: Cross multiply
    442,829.90x = 664,244.85 × 162,310.70
  4. Step 4: Simplify right side
    442,829.90x = 107,814,046,574.90
  5. Step 5: Solve for x
    x = 107,814,046,574.90/442,829.90
  6. Step 6: Final answer
    x = 243,466.05

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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.