Home / 232,649.40-348,513.30-138,876.60

Finding the Fourth Proportional to 232,649.40, 348,513.30 and 138,876.60

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Solution

The fourth proportional to 232,649.40, 348,513.30 and 138,876.60 is: 208,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,649.40 : 348,513.30 = 138,876.60 : x
  2. Step 2: Convert to fraction form
    232,649.40/348,513.30 = 138,876.60/x
  3. Step 3: Cross multiply
    232,649.40x = 348,513.30 × 138,876.60
  4. Step 4: Simplify right side
    232,649.40x = 48,400,342,158.78
  5. Step 5: Solve for x
    x = 48,400,342,158.78/232,649.40
  6. Step 6: Final answer
    x = 208,039.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.