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Finding the Fourth Proportional to 247,263.30, 341,223.54 and 134,086.02

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Solution

The fourth proportional to 247,263.30, 341,223.54 and 134,086.02 is: 185,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,263.30 : 341,223.54 = 134,086.02 : x
  2. Step 2: Convert to fraction form
    247,263.30/341,223.54 = 134,086.02/x
  3. Step 3: Cross multiply
    247,263.30x = 341,223.54 × 134,086.02
  4. Step 4: Simplify right side
    247,263.30x = 45,753,306,408.91
  5. Step 5: Solve for x
    x = 45,753,306,408.91/247,263.30
  6. Step 6: Final answer
    x = 185,038.81

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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.