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Finding the Fourth Proportional to 247,538, 341,602.85 and 134,360.75

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Solution

The fourth proportional to 247,538, 341,602.85 and 134,360.75 is: 185,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,538 : 341,602.85 = 134,360.75 : x
  2. Step 2: Convert to fraction form
    247,538/341,602.85 = 134,360.75/x
  3. Step 3: Cross multiply
    247,538x = 341,602.85 × 134,360.75
  4. Step 4: Simplify right side
    247,538x = 45,898,015,128.14
  5. Step 5: Solve for x
    x = 45,898,015,128.14/247,538
  6. Step 6: Final answer
    x = 185,418.06

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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.