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Finding the Fourth Proportional to 247,079.25, 340,970.58 and 133,902

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Solution

The fourth proportional to 247,079.25, 340,970.58 and 133,902 is: 184,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,079.25 : 340,970.58 = 133,902 : x
  2. Step 2: Convert to fraction form
    247,079.25/340,970.58 = 133,902/x
  3. Step 3: Cross multiply
    247,079.25x = 340,970.58 × 133,902
  4. Step 4: Simplify right side
    247,079.25x = 45,656,642,603.16
  5. Step 5: Solve for x
    x = 45,656,642,603.16/247,079.25
  6. Step 6: Final answer
    x = 184,785.42

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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.