Home / 329,923.83-494,787-172,066.17

Finding the Fourth Proportional to 329,923.83, 494,787 and 172,066.17

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Solution

The fourth proportional to 329,923.83, 494,787 and 172,066.17 is: 258,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,923.83 : 494,787 = 172,066.17 : x
  2. Step 2: Convert to fraction form
    329,923.83/494,787 = 172,066.17/x
  3. Step 3: Cross multiply
    329,923.83x = 494,787 × 172,066.17
  4. Step 4: Simplify right side
    329,923.83x = 85,136,104,055.79
  5. Step 5: Solve for x
    x = 85,136,104,055.79/329,923.83
  6. Step 6: Final answer
    x = 258,047.76

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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.