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Finding the Fourth Proportional to 247,595.76, 341,686.30 and 134,418.52

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Solution

The fourth proportional to 247,595.76, 341,686.30 and 134,418.52 is: 185,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,595.76 : 341,686.30 = 134,418.52 : x
  2. Step 2: Convert to fraction form
    247,595.76/341,686.30 = 134,418.52/x
  3. Step 3: Cross multiply
    247,595.76x = 341,686.30 × 134,418.52
  4. Step 4: Simplify right side
    247,595.76x = 45,928,966,750.28
  5. Step 5: Solve for x
    x = 45,928,966,750.28/247,595.76
  6. Step 6: Final answer
    x = 185,499.81

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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.