Home / 306,853.20-460,342.67-129,360.53

Finding the Fourth Proportional to 306,853.20, 460,342.67 and 129,360.53

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Solution

The fourth proportional to 306,853.20, 460,342.67 and 129,360.53 is: 194,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,853.20 : 460,342.67 = 129,360.53 : x
  2. Step 2: Convert to fraction form
    306,853.20/460,342.67 = 129,360.53/x
  3. Step 3: Cross multiply
    306,853.20x = 460,342.67 × 129,360.53
  4. Step 4: Simplify right side
    306,853.20x = 59,550,168,824.30
  5. Step 5: Solve for x
    x = 59,550,168,824.30/306,853.20
  6. Step 6: Final answer
    x = 194,067.29

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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.