Home / 664,543.60-996,829.52-238,107.20

Finding the Fourth Proportional to 664,543.60, 996,829.52 and 238,107.20

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Solution

The fourth proportional to 664,543.60, 996,829.52 and 238,107.20 is: 357,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,543.60 : 996,829.52 = 238,107.20 : x
  2. Step 2: Convert to fraction form
    664,543.60/996,829.52 = 238,107.20/x
  3. Step 3: Cross multiply
    664,543.60x = 996,829.52 × 238,107.20
  4. Step 4: Simplify right side
    664,543.60x = 237,352,285,884.54
  5. Step 5: Solve for x
    x = 237,352,285,884.54/664,543.60
  6. Step 6: Final answer
    x = 357,165.86

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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.