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Finding the Fourth Proportional to 269,595.70, 372,039.49 and 148,737.96

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Solution

The fourth proportional to 269,595.70, 372,039.49 and 148,737.96 is: 205,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,595.70 : 372,039.49 = 148,737.96 : x
  2. Step 2: Convert to fraction form
    269,595.70/372,039.49 = 148,737.96/x
  3. Step 3: Cross multiply
    269,595.70x = 372,039.49 × 148,737.96
  4. Step 4: Simplify right side
    269,595.70x = 55,336,394,782.04
  5. Step 5: Solve for x
    x = 55,336,394,782.04/269,595.70
  6. Step 6: Final answer
    x = 205,256.96

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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.