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Finding the Fourth Proportional to 275,537.60, 413,306.40 and 272,913.20

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Solution

The fourth proportional to 275,537.60, 413,306.40 and 272,913.20 is: 409,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,537.60 : 413,306.40 = 272,913.20 : x
  2. Step 2: Convert to fraction form
    275,537.60/413,306.40 = 272,913.20/x
  3. Step 3: Cross multiply
    275,537.60x = 413,306.40 × 272,913.20
  4. Step 4: Simplify right side
    275,537.60x = 112,796,772,204.48
  5. Step 5: Solve for x
    x = 112,796,772,204.48/275,537.60
  6. Step 6: Final answer
    x = 409,369.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.