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Finding the Fourth Proportional to 247,359, 341,355.60 and 134,182.20

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Solution

The fourth proportional to 247,359, 341,355.60 and 134,182.20 is: 185,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,359 : 341,355.60 = 134,182.20 : x
  2. Step 2: Convert to fraction form
    247,359/341,355.60 = 134,182.20/x
  3. Step 3: Cross multiply
    247,359x = 341,355.60 × 134,182.20
  4. Step 4: Simplify right side
    247,359x = 45,803,845,390.32
  5. Step 5: Solve for x
    x = 45,803,845,390.32/247,359
  6. Step 6: Final answer
    x = 185,171.53

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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.