Home / 329,919.58-494,780.65-172,061.92

Finding the Fourth Proportional to 329,919.58, 494,780.65 and 172,061.92

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Solution

The fourth proportional to 329,919.58, 494,780.65 and 172,061.92 is: 258,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,919.58 : 494,780.65 = 172,061.92 : x
  2. Step 2: Convert to fraction form
    329,919.58/494,780.65 = 172,061.92/x
  3. Step 3: Cross multiply
    329,919.58x = 494,780.65 × 172,061.92
  4. Step 4: Simplify right side
    329,919.58x = 85,132,905,283.64
  5. Step 5: Solve for x
    x = 85,132,905,283.64/329,919.58
  6. Step 6: Final answer
    x = 258,041.39

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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.