Home / 268,493.04-402,748.56-81,504

Finding the Fourth Proportional to 268,493.04, 402,748.56 and 81,504

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Solution

The fourth proportional to 268,493.04, 402,748.56 and 81,504 is: 122,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,493.04 : 402,748.56 = 81,504 : x
  2. Step 2: Convert to fraction form
    268,493.04/402,748.56 = 81,504/x
  3. Step 3: Cross multiply
    268,493.04x = 402,748.56 × 81,504
  4. Step 4: Simplify right side
    268,493.04x = 32,825,618,634.24
  5. Step 5: Solve for x
    x = 32,825,618,634.24/268,493.04
  6. Step 6: Final answer
    x = 122,258.73

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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.