Home / 247,739.52-341,901.60-140,328.72

Finding the Fourth Proportional to 247,739.52, 341,901.60 and 140,328.72

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Solution

The fourth proportional to 247,739.52, 341,901.60 and 140,328.72 is: 193,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,739.52 : 341,901.60 = 140,328.72 : x
  2. Step 2: Convert to fraction form
    247,739.52/341,901.60 = 140,328.72/x
  3. Step 3: Cross multiply
    247,739.52x = 341,901.60 × 140,328.72
  4. Step 4: Simplify right side
    247,739.52x = 47,978,613,893.95
  5. Step 5: Solve for x
    x = 47,978,613,893.95/247,739.52
  6. Step 6: Final answer
    x = 193,665.56

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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.