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Finding the Fourth Proportional to 269,354.17, 371,711.34 and 148,499.89

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Solution

The fourth proportional to 269,354.17, 371,711.34 and 148,499.89 is: 204,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,354.17 : 371,711.34 = 148,499.89 : x
  2. Step 2: Convert to fraction form
    269,354.17/371,711.34 = 148,499.89/x
  3. Step 3: Cross multiply
    269,354.17x = 371,711.34 × 148,499.89
  4. Step 4: Simplify right side
    269,354.17x = 55,199,093,101.75
  5. Step 5: Solve for x
    x = 55,199,093,101.75/269,354.17
  6. Step 6: Final answer
    x = 204,931.27

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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.