Home / 252,904.60-379,356.90-65,916.10

Finding the Fourth Proportional to 252,904.60, 379,356.90 and 65,916.10

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Solution

The fourth proportional to 252,904.60, 379,356.90 and 65,916.10 is: 98,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,904.60 : 379,356.90 = 65,916.10 : x
  2. Step 2: Convert to fraction form
    252,904.60/379,356.90 = 65,916.10/x
  3. Step 3: Cross multiply
    252,904.60x = 379,356.90 × 65,916.10
  4. Step 4: Simplify right side
    252,904.60x = 25,005,727,356.09
  5. Step 5: Solve for x
    x = 25,005,727,356.09/252,904.60
  6. Step 6: Final answer
    x = 98,874.15

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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.