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Finding the Fourth Proportional to 267,345.44, 400,886.86 and 132,253.41

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Solution

The fourth proportional to 267,345.44, 400,886.86 and 132,253.41 is: 198,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,345.44 : 400,886.86 = 132,253.41 : x
  2. Step 2: Convert to fraction form
    267,345.44/400,886.86 = 132,253.41/x
  3. Step 3: Cross multiply
    267,345.44x = 400,886.86 × 132,253.41
  4. Step 4: Simplify right side
    267,345.44x = 53,018,654,259.19
  5. Step 5: Solve for x
    x = 53,018,654,259.19/267,345.44
  6. Step 6: Final answer
    x = 198,315.16

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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.