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Finding the Fourth Proportional to 202,391.70, 303,587.55 and 62,132.10

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Solution

The fourth proportional to 202,391.70, 303,587.55 and 62,132.10 is: 93,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,391.70 : 303,587.55 = 62,132.10 : x
  2. Step 2: Convert to fraction form
    202,391.70/303,587.55 = 62,132.10/x
  3. Step 3: Cross multiply
    202,391.70x = 303,587.55 × 62,132.10
  4. Step 4: Simplify right side
    202,391.70x = 18,862,532,015.36
  5. Step 5: Solve for x
    x = 18,862,532,015.36/202,391.70
  6. Step 6: Final answer
    x = 93,198.15

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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.