Home / 276,211.20-414,543.60-143,132.16

Finding the Fourth Proportional to 276,211.20, 414,543.60 and 143,132.16

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Solution

The fourth proportional to 276,211.20, 414,543.60 and 143,132.16 is: 214,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,211.20 : 414,543.60 = 143,132.16 : x
  2. Step 2: Convert to fraction form
    276,211.20/414,543.60 = 143,132.16/x
  3. Step 3: Cross multiply
    276,211.20x = 414,543.60 × 143,132.16
  4. Step 4: Simplify right side
    276,211.20x = 59,334,520,882.18
  5. Step 5: Solve for x
    x = 59,334,520,882.18/276,211.20
  6. Step 6: Final answer
    x = 214,815.77

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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.