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Finding the Fourth Proportional to 461,193.55, 636,419.68 and 267,586.26

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Solution

The fourth proportional to 461,193.55, 636,419.68 and 267,586.26 is: 369,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,193.55 : 636,419.68 = 267,586.26 : x
  2. Step 2: Convert to fraction form
    461,193.55/636,419.68 = 267,586.26/x
  3. Step 3: Cross multiply
    461,193.55x = 636,419.68 × 267,586.26
  4. Step 4: Simplify right side
    461,193.55x = 170,297,161,961.60
  5. Step 5: Solve for x
    x = 170,297,161,961.60/461,193.55
  6. Step 6: Final answer
    x = 369,253.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.