Home / 306,407.04-422,819.52-191,736.96

Finding the Fourth Proportional to 306,407.04, 422,819.52 and 191,736.96

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Solution

The fourth proportional to 306,407.04, 422,819.52 and 191,736.96 is: 264,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,407.04 : 422,819.52 = 191,736.96 : x
  2. Step 2: Convert to fraction form
    306,407.04/422,819.52 = 191,736.96/x
  3. Step 3: Cross multiply
    306,407.04x = 422,819.52 × 191,736.96
  4. Step 4: Simplify right side
    306,407.04x = 81,070,129,393.46
  5. Step 5: Solve for x
    x = 81,070,129,393.46/306,407.04
  6. Step 6: Final answer
    x = 264,583.12

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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.