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Finding the Fourth Proportional to 199,696.96, 299,397.48 and 94,392.88

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Solution

The fourth proportional to 199,696.96, 299,397.48 and 94,392.88 is: 141,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,696.96 : 299,397.48 = 94,392.88 : x
  2. Step 2: Convert to fraction form
    199,696.96/299,397.48 = 94,392.88/x
  3. Step 3: Cross multiply
    199,696.96x = 299,397.48 × 94,392.88
  4. Step 4: Simplify right side
    199,696.96x = 28,260,990,401.94
  5. Step 5: Solve for x
    x = 28,260,990,401.94/199,696.96
  6. Step 6: Final answer
    x = 141,519.38

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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.