Home / 355,625.20-532,125.60-324,132.40

Finding the Fourth Proportional to 355,625.20, 532,125.60 and 324,132.40

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Solution

The fourth proportional to 355,625.20, 532,125.60 and 324,132.40 is: 485,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,625.20 : 532,125.60 = 324,132.40 : x
  2. Step 2: Convert to fraction form
    355,625.20/532,125.60 = 324,132.40/x
  3. Step 3: Cross multiply
    355,625.20x = 532,125.60 × 324,132.40
  4. Step 4: Simplify right side
    355,625.20x = 172,479,147,829.44
  5. Step 5: Solve for x
    x = 172,479,147,829.44/355,625.20
  6. Step 6: Final answer
    x = 485,002.60

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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.