Home / 237,478.50-327,716.36-128,581.96

Finding the Fourth Proportional to 237,478.50, 327,716.36 and 128,581.96

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Solution

The fourth proportional to 237,478.50, 327,716.36 and 128,581.96 is: 177,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,478.50 : 327,716.36 = 128,581.96 : x
  2. Step 2: Convert to fraction form
    237,478.50/327,716.36 = 128,581.96/x
  3. Step 3: Cross multiply
    237,478.50x = 327,716.36 × 128,581.96
  4. Step 4: Simplify right side
    237,478.50x = 42,138,411,892.87
  5. Step 5: Solve for x
    x = 42,138,411,892.87/237,478.50
  6. Step 6: Final answer
    x = 177,440.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.