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Finding the Fourth Proportional to 267,232.80, 401,140.80 and 148,843.20

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Solution

The fourth proportional to 267,232.80, 401,140.80 and 148,843.20 is: 223,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,232.80 : 401,140.80 = 148,843.20 : x
  2. Step 2: Convert to fraction form
    267,232.80/401,140.80 = 148,843.20/x
  3. Step 3: Cross multiply
    267,232.80x = 401,140.80 × 148,843.20
  4. Step 4: Simplify right side
    267,232.80x = 59,707,080,322.56
  5. Step 5: Solve for x
    x = 59,707,080,322.56/267,232.80
  6. Step 6: Final answer
    x = 223,427.22

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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.