Home / 268,883.90-403,575.22-135,857.57

Finding the Fourth Proportional to 268,883.90, 403,575.22 and 135,857.57

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Solution

The fourth proportional to 268,883.90, 403,575.22 and 135,857.57 is: 203,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,883.90 : 403,575.22 = 135,857.57 : x
  2. Step 2: Convert to fraction form
    268,883.90/403,575.22 = 135,857.57/x
  3. Step 3: Cross multiply
    268,883.90x = 403,575.22 × 135,857.57
  4. Step 4: Simplify right side
    268,883.90x = 54,828,748,701.42
  5. Step 5: Solve for x
    x = 54,828,748,701.42/268,883.90
  6. Step 6: Final answer
    x = 203,912.36

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1.5x scale

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.