Home / 269,140.56-371,412.20-148,279.08

Finding the Fourth Proportional to 269,140.56, 371,412.20 and 148,279.08

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Solution

The fourth proportional to 269,140.56, 371,412.20 and 148,279.08 is: 204,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,140.56 : 371,412.20 = 148,279.08 : x
  2. Step 2: Convert to fraction form
    269,140.56/371,412.20 = 148,279.08/x
  3. Step 3: Cross multiply
    269,140.56x = 371,412.20 × 148,279.08
  4. Step 4: Simplify right side
    269,140.56x = 55,072,659,316.78
  5. Step 5: Solve for x
    x = 55,072,659,316.78/269,140.56
  6. Step 6: Final answer
    x = 204,624.15

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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.