Home / 324,731.60-447,838.40-270,463.92

Finding the Fourth Proportional to 324,731.60, 447,838.40 and 270,463.92

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Solution

The fourth proportional to 324,731.60, 447,838.40 and 270,463.92 is: 372,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,731.60 : 447,838.40 = 270,463.92 : x
  2. Step 2: Convert to fraction form
    324,731.60/447,838.40 = 270,463.92/x
  3. Step 3: Cross multiply
    324,731.60x = 447,838.40 × 270,463.92
  4. Step 4: Simplify right side
    324,731.60x = 121,124,129,190.53
  5. Step 5: Solve for x
    x = 121,124,129,190.53/324,731.60
  6. Step 6: Final answer
    x = 372,997.67

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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.