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Finding the Fourth Proportional to 270,008.91, 372,609.90 and 149,158.59

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Solution

The fourth proportional to 270,008.91, 372,609.90 and 149,158.59 is: 205,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,008.91 : 372,609.90 = 149,158.59 : x
  2. Step 2: Convert to fraction form
    270,008.91/372,609.90 = 149,158.59/x
  3. Step 3: Cross multiply
    270,008.91x = 372,609.90 × 149,158.59
  4. Step 4: Simplify right side
    270,008.91x = 55,577,967,304.04
  5. Step 5: Solve for x
    x = 55,577,967,304.04/270,008.91
  6. Step 6: Final answer
    x = 205,837.53

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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.