Home / 329,921.83-494,784.01-172,064.17

Finding the Fourth Proportional to 329,921.83, 494,784.01 and 172,064.17

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Solution

The fourth proportional to 329,921.83, 494,784.01 and 172,064.17 is: 258,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,921.83 : 494,784.01 = 172,064.17 : x
  2. Step 2: Convert to fraction form
    329,921.83/494,784.01 = 172,064.17/x
  3. Step 3: Cross multiply
    329,921.83x = 494,784.01 × 172,064.17
  4. Step 4: Simplify right side
    329,921.83x = 85,134,600,009.92
  5. Step 5: Solve for x
    x = 85,134,600,009.92/329,921.83
  6. Step 6: Final answer
    x = 258,044.76

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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.