Home / 331,454.20-497,181.30-329,121.40

Finding the Fourth Proportional to 331,454.20, 497,181.30 and 329,121.40

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Solution

The fourth proportional to 331,454.20, 497,181.30 and 329,121.40 is: 493,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,454.20 : 497,181.30 = 329,121.40 : x
  2. Step 2: Convert to fraction form
    331,454.20/497,181.30 = 329,121.40/x
  3. Step 3: Cross multiply
    331,454.20x = 497,181.30 × 329,121.40
  4. Step 4: Simplify right side
    331,454.20x = 163,633,005,509.82
  5. Step 5: Solve for x
    x = 163,633,005,509.82/331,454.20
  6. Step 6: Final answer
    x = 493,682.10

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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.