Home / 276,316.66-381,301.35-155,463.04

Finding the Fourth Proportional to 276,316.66, 381,301.35 and 155,463.04

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Solution

The fourth proportional to 276,316.66, 381,301.35 and 155,463.04 is: 214,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,316.66 : 381,301.35 = 155,463.04 : x
  2. Step 2: Convert to fraction form
    276,316.66/381,301.35 = 155,463.04/x
  3. Step 3: Cross multiply
    276,316.66x = 381,301.35 × 155,463.04
  4. Step 4: Simplify right side
    276,316.66x = 59,278,267,027.10
  5. Step 5: Solve for x
    x = 59,278,267,027.10/276,316.66
  6. Step 6: Final answer
    x = 214,530.20

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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.