Home / 268,569.57-403,031.82-126,455.49

Finding the Fourth Proportional to 268,569.57, 403,031.82 and 126,455.49

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Solution

The fourth proportional to 268,569.57, 403,031.82 and 126,455.49 is: 189,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,569.57 : 403,031.82 = 126,455.49 : x
  2. Step 2: Convert to fraction form
    268,569.57/403,031.82 = 126,455.49/x
  3. Step 3: Cross multiply
    268,569.57x = 403,031.82 × 126,455.49
  4. Step 4: Simplify right side
    268,569.57x = 50,965,586,283.69
  5. Step 5: Solve for x
    x = 50,965,586,283.69/268,569.57
  6. Step 6: Final answer
    x = 189,766.79

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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.