Home / 409,524.12-614,287.55-125,213.60

Finding the Fourth Proportional to 409,524.12, 614,287.55 and 125,213.60

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Solution

The fourth proportional to 409,524.12, 614,287.55 and 125,213.60 is: 187,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,524.12 : 614,287.55 = 125,213.60 : x
  2. Step 2: Convert to fraction form
    409,524.12/614,287.55 = 125,213.60/x
  3. Step 3: Cross multiply
    409,524.12x = 614,287.55 × 125,213.60
  4. Step 4: Simplify right side
    409,524.12x = 76,917,153,259.74
  5. Step 5: Solve for x
    x = 76,917,153,259.74/409,524.12
  6. Step 6: Final answer
    x = 187,820.81

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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.