Home / 252,172.27-378,313.76-74,693.17

Finding the Fourth Proportional to 252,172.27, 378,313.76 and 74,693.17

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Solution

The fourth proportional to 252,172.27, 378,313.76 and 74,693.17 is: 112,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,172.27 : 378,313.76 = 74,693.17 : x
  2. Step 2: Convert to fraction form
    252,172.27/378,313.76 = 74,693.17/x
  3. Step 3: Cross multiply
    252,172.27x = 378,313.76 × 74,693.17
  4. Step 4: Simplify right side
    252,172.27x = 28,257,453,989.02
  5. Step 5: Solve for x
    x = 28,257,453,989.02/252,172.27
  6. Step 6: Final answer
    x = 112,056.15

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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.