Home / 324,562.55-486,899.40-99,918.56

Finding the Fourth Proportional to 324,562.55, 486,899.40 and 99,918.56

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Solution

The fourth proportional to 324,562.55, 486,899.40 and 99,918.56 is: 149,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,562.55 : 486,899.40 = 99,918.56 : x
  2. Step 2: Convert to fraction form
    324,562.55/486,899.40 = 99,918.56/x
  3. Step 3: Cross multiply
    324,562.55x = 486,899.40 × 99,918.56
  4. Step 4: Simplify right side
    324,562.55x = 48,650,288,504.81
  5. Step 5: Solve for x
    x = 48,650,288,504.81/324,562.55
  6. Step 6: Final answer
    x = 149,894.96

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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.