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Finding the Fourth Proportional to 324,163.40, 486,026.40 and 155,764.40

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Solution

The fourth proportional to 324,163.40, 486,026.40 and 155,764.40 is: 233,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,163.40 : 486,026.40 = 155,764.40 : x
  2. Step 2: Convert to fraction form
    324,163.40/486,026.40 = 155,764.40/x
  3. Step 3: Cross multiply
    324,163.40x = 486,026.40 × 155,764.40
  4. Step 4: Simplify right side
    324,163.40x = 75,705,610,580.16
  5. Step 5: Solve for x
    x = 75,705,610,580.16/324,163.40
  6. Step 6: Final answer
    x = 233,541.51

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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.