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Finding the Fourth Proportional to 461,510.07, 636,941.88 and 267,876.12

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Solution

The fourth proportional to 461,510.07, 636,941.88 and 267,876.12 is: 369,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,510.07 : 636,941.88 = 267,876.12 : x
  2. Step 2: Convert to fraction form
    461,510.07/636,941.88 = 267,876.12/x
  3. Step 3: Cross multiply
    461,510.07x = 636,941.88 × 267,876.12
  4. Step 4: Simplify right side
    461,510.07x = 170,621,519,479.91
  5. Step 5: Solve for x
    x = 170,621,519,479.91/461,510.07
  6. Step 6: Final answer
    x = 369,702.70

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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.