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Finding the Fourth Proportional to 299,957.91, 450,102.93 and 179,719.38

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Solution

The fourth proportional to 299,957.91, 450,102.93 and 179,719.38 is: 269,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,957.91 : 450,102.93 = 179,719.38 : x
  2. Step 2: Convert to fraction form
    299,957.91/450,102.93 = 179,719.38/x
  3. Step 3: Cross multiply
    299,957.91x = 450,102.93 × 179,719.38
  4. Step 4: Simplify right side
    299,957.91x = 80,892,219,515.78
  5. Step 5: Solve for x
    x = 80,892,219,515.78/299,957.91
  6. Step 6: Final answer
    x = 269,678.57

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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.