Home / 269,140.06-371,411.54-148,278.56

Finding the Fourth Proportional to 269,140.06, 371,411.54 and 148,278.56

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Solution

The fourth proportional to 269,140.06, 371,411.54 and 148,278.56 is: 204,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,140.06 : 371,411.54 = 148,278.56 : x
  2. Step 2: Convert to fraction form
    269,140.06/371,411.54 = 148,278.56/x
  3. Step 3: Cross multiply
    269,140.06x = 371,411.54 × 148,278.56
  4. Step 4: Simplify right side
    269,140.06x = 55,072,368,318.58
  5. Step 5: Solve for x
    x = 55,072,368,318.58/269,140.06
  6. Step 6: Final answer
    x = 204,623.45

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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.