Home / 239,470.20-359,205.30-121,372.20

Finding the Fourth Proportional to 239,470.20, 359,205.30 and 121,372.20

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Solution

The fourth proportional to 239,470.20, 359,205.30 and 121,372.20 is: 182,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,470.20 : 359,205.30 = 121,372.20 : x
  2. Step 2: Convert to fraction form
    239,470.20/359,205.30 = 121,372.20/x
  3. Step 3: Cross multiply
    239,470.20x = 359,205.30 × 121,372.20
  4. Step 4: Simplify right side
    239,470.20x = 43,597,537,512.66
  5. Step 5: Solve for x
    x = 43,597,537,512.66/239,470.20
  6. Step 6: Final answer
    x = 182,058.30

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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.