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Finding the Fourth Proportional to 461,636.80, 637,165.05 and 270,711.70

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Solution

The fourth proportional to 461,636.80, 637,165.05 and 270,711.70 is: 373,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,636.80 : 637,165.05 = 270,711.70 : x
  2. Step 2: Convert to fraction form
    461,636.80/637,165.05 = 270,711.70/x
  3. Step 3: Cross multiply
    461,636.80x = 637,165.05 × 270,711.70
  4. Step 4: Simplify right side
    461,636.80x = 172,488,032,512.53
  5. Step 5: Solve for x
    x = 172,488,032,512.53/461,636.80
  6. Step 6: Final answer
    x = 373,644.46

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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.