Home / 299,842.04-449,887.67-131,275.55

Finding the Fourth Proportional to 299,842.04, 449,887.67 and 131,275.55

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Solution

The fourth proportional to 299,842.04, 449,887.67 and 131,275.55 is: 196,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,842.04 : 449,887.67 = 131,275.55 : x
  2. Step 2: Convert to fraction form
    299,842.04/449,887.67 = 131,275.55/x
  3. Step 3: Cross multiply
    299,842.04x = 449,887.67 × 131,275.55
  4. Step 4: Simplify right side
    299,842.04x = 59,059,251,317.47
  5. Step 5: Solve for x
    x = 59,059,251,317.47/299,842.04
  6. Step 6: Final answer
    x = 196,967.88

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1.5x scale

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.