Home / 409,853.10-614,123.55-269,447.70

Finding the Fourth Proportional to 409,853.10, 614,123.55 and 269,447.70

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Solution

The fourth proportional to 409,853.10, 614,123.55 and 269,447.70 is: 403,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,853.10 : 614,123.55 = 269,447.70 : x
  2. Step 2: Convert to fraction form
    409,853.10/614,123.55 = 269,447.70/x
  3. Step 3: Cross multiply
    409,853.10x = 614,123.55 × 269,447.70
  4. Step 4: Simplify right side
    409,853.10x = 165,474,178,063.34
  5. Step 5: Solve for x
    x = 165,474,178,063.34/409,853.10
  6. Step 6: Final answer
    x = 403,740.21

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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.