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Finding the Fourth Proportional to 247,127.32, 341,036.94 and 133,949.08

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Solution

The fourth proportional to 247,127.32, 341,036.94 and 133,949.08 is: 184,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,127.32 : 341,036.94 = 133,949.08 : x
  2. Step 2: Convert to fraction form
    247,127.32/341,036.94 = 133,949.08/x
  3. Step 3: Cross multiply
    247,127.32x = 341,036.94 × 133,949.08
  4. Step 4: Simplify right side
    247,127.32x = 45,681,584,359.02
  5. Step 5: Solve for x
    x = 45,681,584,359.02/247,127.32
  6. Step 6: Final answer
    x = 184,850.40

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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.