Home / 268,869.09-371,035.04-148,010.76

Finding the Fourth Proportional to 268,869.09, 371,035.04 and 148,010.76

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Solution

The fourth proportional to 268,869.09, 371,035.04 and 148,010.76 is: 204,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,869.09 : 371,035.04 = 148,010.76 : x
  2. Step 2: Convert to fraction form
    268,869.09/371,035.04 = 148,010.76/x
  3. Step 3: Cross multiply
    268,869.09x = 371,035.04 × 148,010.76
  4. Step 4: Simplify right side
    268,869.09x = 54,917,177,516.98
  5. Step 5: Solve for x
    x = 54,917,177,516.98/268,869.09
  6. Step 6: Final answer
    x = 204,252.48

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1.5x scale

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.