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Finding the Fourth Proportional to 247,641.80, 371,559.90 and 97,856.60

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Solution

The fourth proportional to 247,641.80, 371,559.90 and 97,856.60 is: 146,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,641.80 : 371,559.90 = 97,856.60 : x
  2. Step 2: Convert to fraction form
    247,641.80/371,559.90 = 97,856.60/x
  3. Step 3: Cross multiply
    247,641.80x = 371,559.90 × 97,856.60
  4. Step 4: Simplify right side
    247,641.80x = 36,359,588,510.34
  5. Step 5: Solve for x
    x = 36,359,588,510.34/247,641.80
  6. Step 6: Final answer
    x = 146,823.31

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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.