Home / 323,922.57-485,977.23-99,316.15

Finding the Fourth Proportional to 323,922.57, 485,977.23 and 99,316.15

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Solution

The fourth proportional to 323,922.57, 485,977.23 and 99,316.15 is: 149,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,922.57 : 485,977.23 = 99,316.15 : x
  2. Step 2: Convert to fraction form
    323,922.57/485,977.23 = 99,316.15/x
  3. Step 3: Cross multiply
    323,922.57x = 485,977.23 × 99,316.15
  4. Step 4: Simplify right side
    323,922.57x = 48,265,387,471.26
  5. Step 5: Solve for x
    x = 48,265,387,471.26/323,922.57
  6. Step 6: Final answer
    x = 149,002.85

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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.