Home / 276,101.36-380,079.60-204,346.16

Finding the Fourth Proportional to 276,101.36, 380,079.60 and 204,346.16

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Solution

The fourth proportional to 276,101.36, 380,079.60 and 204,346.16 is: 281,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,101.36 : 380,079.60 = 204,346.16 : x
  2. Step 2: Convert to fraction form
    276,101.36/380,079.60 = 204,346.16/x
  3. Step 3: Cross multiply
    276,101.36x = 380,079.60 × 204,346.16
  4. Step 4: Simplify right side
    276,101.36x = 77,667,806,754.34
  5. Step 5: Solve for x
    x = 77,667,806,754.34/276,101.36
  6. Step 6: Final answer
    x = 281,301.79

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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.