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Finding the Fourth Proportional to 299,377.28, 448,827.32 and 172,873.92

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Solution

The fourth proportional to 299,377.28, 448,827.32 and 172,873.92 is: 259,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,377.28 : 448,827.32 = 172,873.92 : x
  2. Step 2: Convert to fraction form
    299,377.28/448,827.32 = 172,873.92/x
  3. Step 3: Cross multiply
    299,377.28x = 448,827.32 × 172,873.92
  4. Step 4: Simplify right side
    299,377.28x = 77,590,538,211.49
  5. Step 5: Solve for x
    x = 77,590,538,211.49/299,377.28
  6. Step 6: Final answer
    x = 259,173.10

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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.