Home / 330,646.20-495,554.37-178,837.21

Finding the Fourth Proportional to 330,646.20, 495,554.37 and 178,837.21

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Solution

The fourth proportional to 330,646.20, 495,554.37 and 178,837.21 is: 268,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,646.20 : 495,554.37 = 178,837.21 : x
  2. Step 2: Convert to fraction form
    330,646.20/495,554.37 = 178,837.21/x
  3. Step 3: Cross multiply
    330,646.20x = 495,554.37 × 178,837.21
  4. Step 4: Simplify right side
    330,646.20x = 88,623,560,934.11
  5. Step 5: Solve for x
    x = 88,623,560,934.11/330,646.20
  6. Step 6: Final answer
    x = 268,031.39

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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.