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Finding the Fourth Proportional to 461,617.49, 637,138.42 and 270,692.39

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Solution

The fourth proportional to 461,617.49, 637,138.42 and 270,692.39 is: 373,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,617.49 : 637,138.42 = 270,692.39 : x
  2. Step 2: Convert to fraction form
    461,617.49/637,138.42 = 270,692.39/x
  3. Step 3: Cross multiply
    461,617.49x = 637,138.42 × 270,692.39
  4. Step 4: Simplify right side
    461,617.49x = 172,468,521,670.62
  5. Step 5: Solve for x
    x = 172,468,521,670.62/461,617.49
  6. Step 6: Final answer
    x = 373,617.82

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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.