Home / 276,220.92-414,285.24-76,561.50

Finding the Fourth Proportional to 276,220.92, 414,285.24 and 76,561.50

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Solution

The fourth proportional to 276,220.92, 414,285.24 and 76,561.50 is: 114,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,220.92 : 414,285.24 = 76,561.50 : x
  2. Step 2: Convert to fraction form
    276,220.92/414,285.24 = 76,561.50/x
  3. Step 3: Cross multiply
    276,220.92x = 414,285.24 × 76,561.50
  4. Step 4: Simplify right side
    276,220.92x = 31,718,299,402.26
  5. Step 5: Solve for x
    x = 31,718,299,402.26/276,220.92
  6. Step 6: Final answer
    x = 114,829.46

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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.