Home / 269,795.40-372,307.90-148,934.09

Finding the Fourth Proportional to 269,795.40, 372,307.90 and 148,934.09

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Solution

The fourth proportional to 269,795.40, 372,307.90 and 148,934.09 is: 205,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,795.40 : 372,307.90 = 148,934.09 : x
  2. Step 2: Convert to fraction form
    269,795.40/372,307.90 = 148,934.09/x
  3. Step 3: Cross multiply
    269,795.40x = 372,307.90 × 148,934.09
  4. Step 4: Simplify right side
    269,795.40x = 55,449,338,565.49
  5. Step 5: Solve for x
    x = 55,449,338,565.49/269,795.40
  6. Step 6: Final answer
    x = 205,523.66

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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.