Home / 247,003.20-340,864.74-133,825.86

Finding the Fourth Proportional to 247,003.20, 340,864.74 and 133,825.86

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Solution

The fourth proportional to 247,003.20, 340,864.74 and 133,825.86 is: 184,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,003.20 : 340,864.74 = 133,825.86 : x
  2. Step 2: Convert to fraction form
    247,003.20/340,864.74 = 133,825.86/x
  3. Step 3: Cross multiply
    247,003.20x = 340,864.74 × 133,825.86
  4. Step 4: Simplify right side
    247,003.20x = 45,616,516,974.18
  5. Step 5: Solve for x
    x = 45,616,516,974.18/247,003.20
  6. Step 6: Final answer
    x = 184,679.86

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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.