Home / 409,839.10-614,102.55-269,433.70

Finding the Fourth Proportional to 409,839.10, 614,102.55 and 269,433.70

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Solution

The fourth proportional to 409,839.10, 614,102.55 and 269,433.70 is: 403,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,839.10 : 614,102.55 = 269,433.70 : x
  2. Step 2: Convert to fraction form
    409,839.10/614,102.55 = 269,433.70/x
  3. Step 3: Cross multiply
    409,839.10x = 614,102.55 × 269,433.70
  4. Step 4: Simplify right side
    409,839.10x = 165,459,922,225.94
  5. Step 5: Solve for x
    x = 165,459,922,225.94/409,839.10
  6. Step 6: Final answer
    x = 403,719.22

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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.