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Finding the Fourth Proportional to 247,077, 340,966.55 and 133,899.75

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Solution

The fourth proportional to 247,077, 340,966.55 and 133,899.75 is: 184,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,077 : 340,966.55 = 133,899.75 : x
  2. Step 2: Convert to fraction form
    247,077/340,966.55 = 133,899.75/x
  3. Step 3: Cross multiply
    247,077x = 340,966.55 × 133,899.75
  4. Step 4: Simplify right side
    247,077x = 45,655,335,133.86
  5. Step 5: Solve for x
    x = 45,655,335,133.86/247,077
  6. Step 6: Final answer
    x = 184,781.81

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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.