Home / 268,835.28-403,502.01-135,809.19

Finding the Fourth Proportional to 268,835.28, 403,502.01 and 135,809.19

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Solution

The fourth proportional to 268,835.28, 403,502.01 and 135,809.19 is: 203,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,835.28 : 403,502.01 = 135,809.19 : x
  2. Step 2: Convert to fraction form
    268,835.28/403,502.01 = 135,809.19/x
  3. Step 3: Cross multiply
    268,835.28x = 403,502.01 × 135,809.19
  4. Step 4: Simplify right side
    268,835.28x = 54,799,281,141.47
  5. Step 5: Solve for x
    x = 54,799,281,141.47/268,835.28
  6. Step 6: Final answer
    x = 203,839.62

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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.