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Finding the Fourth Proportional to 268,967.59, 403,514.56 and 150,720.55

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Solution

The fourth proportional to 268,967.59, 403,514.56 and 150,720.55 is: 226,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,967.59 : 403,514.56 = 150,720.55 : x
  2. Step 2: Convert to fraction form
    268,967.59/403,514.56 = 150,720.55/x
  3. Step 3: Cross multiply
    268,967.59x = 403,514.56 × 150,720.55
  4. Step 4: Simplify right side
    268,967.59x = 60,817,936,416.21
  5. Step 5: Solve for x
    x = 60,817,936,416.21/268,967.59
  6. Step 6: Final answer
    x = 226,116.23

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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.