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Finding the Fourth Proportional to 267,164.78, 400,622.58 and 154,877.13

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Solution

The fourth proportional to 267,164.78, 400,622.58 and 154,877.13 is: 232,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,164.78 : 400,622.58 = 154,877.13 : x
  2. Step 2: Convert to fraction form
    267,164.78/400,622.58 = 154,877.13/x
  3. Step 3: Cross multiply
    267,164.78x = 400,622.58 × 154,877.13
  4. Step 4: Simplify right side
    267,164.78x = 62,047,275,403.60
  5. Step 5: Solve for x
    x = 62,047,275,403.60/267,164.78
  6. Step 6: Final answer
    x = 232,243.47

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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.