Home / 222,307.24-306,781.10-126,815.52

Finding the Fourth Proportional to 222,307.24, 306,781.10 and 126,815.52

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Solution

The fourth proportional to 222,307.24, 306,781.10 and 126,815.52 is: 175,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,307.24 : 306,781.10 = 126,815.52 : x
  2. Step 2: Convert to fraction form
    222,307.24/306,781.10 = 126,815.52/x
  3. Step 3: Cross multiply
    222,307.24x = 306,781.10 × 126,815.52
  4. Step 4: Simplify right side
    222,307.24x = 38,904,604,722.67
  5. Step 5: Solve for x
    x = 38,904,604,722.67/222,307.24
  6. Step 6: Final answer
    x = 175,003.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.