Home / 276,346.20-414,519.30-143,182.20

Finding the Fourth Proportional to 276,346.20, 414,519.30 and 143,182.20

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Solution

The fourth proportional to 276,346.20, 414,519.30 and 143,182.20 is: 214,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,346.20 : 414,519.30 = 143,182.20 : x
  2. Step 2: Convert to fraction form
    276,346.20/414,519.30 = 143,182.20/x
  3. Step 3: Cross multiply
    276,346.20x = 414,519.30 × 143,182.20
  4. Step 4: Simplify right side
    276,346.20x = 59,351,785,316.46
  5. Step 5: Solve for x
    x = 59,351,785,316.46/276,346.20
  6. Step 6: Final answer
    x = 214,773.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.