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Finding the Fourth Proportional to 267,585.48, 401,445.18 and 188,853.48

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Solution

The fourth proportional to 267,585.48, 401,445.18 and 188,853.48 is: 283,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,585.48 : 401,445.18 = 188,853.48 : x
  2. Step 2: Convert to fraction form
    267,585.48/401,445.18 = 188,853.48/x
  3. Step 3: Cross multiply
    267,585.48x = 401,445.18 × 188,853.48
  4. Step 4: Simplify right side
    267,585.48x = 75,814,319,272.23
  5. Step 5: Solve for x
    x = 75,814,319,272.23/267,585.48
  6. Step 6: Final answer
    x = 283,327.48

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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.