Home / 276,212.20-414,545.10-143,133.16

Finding the Fourth Proportional to 276,212.20, 414,545.10 and 143,133.16

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Solution

The fourth proportional to 276,212.20, 414,545.10 and 143,133.16 is: 214,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,212.20 : 414,545.10 = 143,133.16 : x
  2. Step 2: Convert to fraction form
    276,212.20/414,545.10 = 143,133.16/x
  3. Step 3: Cross multiply
    276,212.20x = 414,545.10 × 143,133.16
  4. Step 4: Simplify right side
    276,212.20x = 59,335,150,125.52
  5. Step 5: Solve for x
    x = 59,335,150,125.52/276,212.20
  6. Step 6: Final answer
    x = 214,817.27

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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.