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Finding the Fourth Proportional to 269,792.82, 372,287.55 and 148,926.33

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Solution

The fourth proportional to 269,792.82, 372,287.55 and 148,926.33 is: 205,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.82 : 372,287.55 = 148,926.33 : x
  2. Step 2: Convert to fraction form
    269,792.82/372,287.55 = 148,926.33/x
  3. Step 3: Cross multiply
    269,792.82x = 372,287.55 × 148,926.33
  4. Step 4: Simplify right side
    269,792.82x = 55,443,418,526.19
  5. Step 5: Solve for x
    x = 55,443,418,526.19/269,792.82
  6. Step 6: Final answer
    x = 205,503.68

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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.