Home / 329,721.79-494,573.41-105,095.69

Finding the Fourth Proportional to 329,721.79, 494,573.41 and 105,095.69

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Solution

The fourth proportional to 329,721.79, 494,573.41 and 105,095.69 is: 157,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,721.79 : 494,573.41 = 105,095.69 : x
  2. Step 2: Convert to fraction form
    329,721.79/494,573.41 = 105,095.69/x
  3. Step 3: Cross multiply
    329,721.79x = 494,573.41 × 105,095.69
  4. Step 4: Simplify right side
    329,721.79x = 51,977,531,044.00
  5. Step 5: Solve for x
    x = 51,977,531,044.00/329,721.79
  6. Step 6: Final answer
    x = 157,640.57

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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.