Home / 239,381.76-329,899.32-178,845.60

Finding the Fourth Proportional to 239,381.76, 329,899.32 and 178,845.60

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Solution

The fourth proportional to 239,381.76, 329,899.32 and 178,845.60 is: 246,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,381.76 : 329,899.32 = 178,845.60 : x
  2. Step 2: Convert to fraction form
    239,381.76/329,899.32 = 178,845.60/x
  3. Step 3: Cross multiply
    239,381.76x = 329,899.32 × 178,845.60
  4. Step 4: Simplify right side
    239,381.76x = 59,001,041,824.99
  5. Step 5: Solve for x
    x = 59,001,041,824.99/239,381.76
  6. Step 6: Final answer
    x = 246,472.59

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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.