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Finding the Fourth Proportional to 250,479.87, 345,714.38 and 230,304.79

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Solution

The fourth proportional to 250,479.87, 345,714.38 and 230,304.79 is: 317,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479.87 : 345,714.38 = 230,304.79 : x
  2. Step 2: Convert to fraction form
    250,479.87/345,714.38 = 230,304.79/x
  3. Step 3: Cross multiply
    250,479.87x = 345,714.38 × 230,304.79
  4. Step 4: Simplify right side
    250,479.87x = 79,619,677,685.88
  5. Step 5: Solve for x
    x = 79,619,677,685.88/250,479.87
  6. Step 6: Final answer
    x = 317,868.57

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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.