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Finding the Fourth Proportional to 247,674.52, 341,792.14 and 140,265.46

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Solution

The fourth proportional to 247,674.52, 341,792.14 and 140,265.46 is: 193,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,674.52 : 341,792.14 = 140,265.46 : x
  2. Step 2: Convert to fraction form
    247,674.52/341,792.14 = 140,265.46/x
  3. Step 3: Cross multiply
    247,674.52x = 341,792.14 × 140,265.46
  4. Step 4: Simplify right side
    247,674.52x = 47,941,631,741.48
  5. Step 5: Solve for x
    x = 47,941,631,741.48/247,674.52
  6. Step 6: Final answer
    x = 193,567.07

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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.