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Finding the Fourth Proportional to 300,818.88, 415,125 and 179,891.42

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Solution

The fourth proportional to 300,818.88, 415,125 and 179,891.42 is: 248,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,818.88 : 415,125 = 179,891.42 : x
  2. Step 2: Convert to fraction form
    300,818.88/415,125 = 179,891.42/x
  3. Step 3: Cross multiply
    300,818.88x = 415,125 × 179,891.42
  4. Step 4: Simplify right side
    300,818.88x = 74,677,423,651.88
  5. Step 5: Solve for x
    x = 74,677,423,651.88/300,818.88
  6. Step 6: Final answer
    x = 248,247.13

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1.5x scale

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.