Home / 240,217.92-331,466.70-138,204.48

Finding the Fourth Proportional to 240,217.92, 331,466.70 and 138,204.48

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Solution

The fourth proportional to 240,217.92, 331,466.70 and 138,204.48 is: 190,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,217.92 : 331,466.70 = 138,204.48 : x
  2. Step 2: Convert to fraction form
    240,217.92/331,466.70 = 138,204.48/x
  3. Step 3: Cross multiply
    240,217.92x = 331,466.70 × 138,204.48
  4. Step 4: Simplify right side
    240,217.92x = 45,810,182,910.82
  5. Step 5: Solve for x
    x = 45,810,182,910.82/240,217.92
  6. Step 6: Final answer
    x = 190,702.60

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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.