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Finding the Fourth Proportional to 482,601.85, 666,070.50 and 267,810.91

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Solution

The fourth proportional to 482,601.85, 666,070.50 and 267,810.91 is: 369,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,601.85 : 666,070.50 = 267,810.91 : x
  2. Step 2: Convert to fraction form
    482,601.85/666,070.50 = 267,810.91/x
  3. Step 3: Cross multiply
    482,601.85x = 666,070.50 × 267,810.91
  4. Step 4: Simplify right side
    482,601.85x = 178,380,946,729.16
  5. Step 5: Solve for x
    x = 178,380,946,729.16/482,601.85
  6. Step 6: Final answer
    x = 369,623.42

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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.