Home / 329,631.92-494,522.45-105,005.15

Finding the Fourth Proportional to 329,631.92, 494,522.45 and 105,005.15

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Solution

The fourth proportional to 329,631.92, 494,522.45 and 105,005.15 is: 157,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,631.92 : 494,522.45 = 105,005.15 : x
  2. Step 2: Convert to fraction form
    329,631.92/494,522.45 = 105,005.15/x
  3. Step 3: Cross multiply
    329,631.92x = 494,522.45 × 105,005.15
  4. Step 4: Simplify right side
    329,631.92x = 51,927,401,042.98
  5. Step 5: Solve for x
    x = 51,927,401,042.98/329,631.92
  6. Step 6: Final answer
    x = 157,531.47

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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.