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Finding the Fourth Proportional to 178,007.06, 245,640.24 and 97,419

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Solution

The fourth proportional to 178,007.06, 245,640.24 and 97,419 is: 134,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,007.06 : 245,640.24 = 97,419 : x
  2. Step 2: Convert to fraction form
    178,007.06/245,640.24 = 97,419/x
  3. Step 3: Cross multiply
    178,007.06x = 245,640.24 × 97,419
  4. Step 4: Simplify right side
    178,007.06x = 23,930,026,540.56
  5. Step 5: Solve for x
    x = 23,930,026,540.56/178,007.06
  6. Step 6: Final answer
    x = 134,433.02

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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.