Home / 409,401.56-614,195.84-125,132.60

Finding the Fourth Proportional to 409,401.56, 614,195.84 and 125,132.60

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Solution

The fourth proportional to 409,401.56, 614,195.84 and 125,132.60 is: 187,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,401.56 : 614,195.84 = 125,132.60 : x
  2. Step 2: Convert to fraction form
    409,401.56/614,195.84 = 125,132.60/x
  3. Step 3: Cross multiply
    409,401.56x = 614,195.84 × 125,132.60
  4. Step 4: Simplify right side
    409,401.56x = 76,855,922,368.38
  5. Step 5: Solve for x
    x = 76,855,922,368.38/409,401.56
  6. Step 6: Final answer
    x = 187,727.48

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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.