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Finding the Fourth Proportional to 247,932.38, 342,146.69 and 147,330.38

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Solution

The fourth proportional to 247,932.38, 342,146.69 and 147,330.38 is: 203,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,932.38 : 342,146.69 = 147,330.38 : x
  2. Step 2: Convert to fraction form
    247,932.38/342,146.69 = 147,330.38/x
  3. Step 3: Cross multiply
    247,932.38x = 342,146.69 × 147,330.38
  4. Step 4: Simplify right side
    247,932.38x = 50,408,599,406.06
  5. Step 5: Solve for x
    x = 50,408,599,406.06/247,932.38
  6. Step 6: Final answer
    x = 203,315.92

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1.5x scale

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.