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Finding the Fourth Proportional to 247,166.10, 370,749.15 and 140,877.90

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Solution

The fourth proportional to 247,166.10, 370,749.15 and 140,877.90 is: 211,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,166.10 : 370,749.15 = 140,877.90 : x
  2. Step 2: Convert to fraction form
    247,166.10/370,749.15 = 140,877.90/x
  3. Step 3: Cross multiply
    247,166.10x = 370,749.15 × 140,877.90
  4. Step 4: Simplify right side
    247,166.10x = 52,230,361,678.79
  5. Step 5: Solve for x
    x = 52,230,361,678.79/247,166.10
  6. Step 6: Final answer
    x = 211,316.85

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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.