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Finding the Fourth Proportional to 385,425.82, 577,806.49 and 148,934.44

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Solution

The fourth proportional to 385,425.82, 577,806.49 and 148,934.44 is: 223,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,425.82 : 577,806.49 = 148,934.44 : x
  2. Step 2: Convert to fraction form
    385,425.82/577,806.49 = 148,934.44/x
  3. Step 3: Cross multiply
    385,425.82x = 577,806.49 × 148,934.44
  4. Step 4: Simplify right side
    385,425.82x = 86,055,286,016.52
  5. Step 5: Solve for x
    x = 86,055,286,016.52/385,425.82
  6. Step 6: Final answer
    x = 223,273.28

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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.