Home / 274,877.35-379,386.18-187,894.89

Finding the Fourth Proportional to 274,877.35, 379,386.18 and 187,894.89

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Solution

The fourth proportional to 274,877.35, 379,386.18 and 187,894.89 is: 259,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,877.35 : 379,386.18 = 187,894.89 : x
  2. Step 2: Convert to fraction form
    274,877.35/379,386.18 = 187,894.89/x
  3. Step 3: Cross multiply
    274,877.35x = 379,386.18 × 187,894.89
  4. Step 4: Simplify right side
    274,877.35x = 71,284,724,558.62
  5. Step 5: Solve for x
    x = 71,284,724,558.62/274,877.35
  6. Step 6: Final answer
    x = 259,332.85

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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.