Home / 345,968.04-518,948.92-109,310.70

Finding the Fourth Proportional to 345,968.04, 518,948.92 and 109,310.70

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Solution

The fourth proportional to 345,968.04, 518,948.92 and 109,310.70 is: 163,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,968.04 : 518,948.92 = 109,310.70 : x
  2. Step 2: Convert to fraction form
    345,968.04/518,948.92 = 109,310.70/x
  3. Step 3: Cross multiply
    345,968.04x = 518,948.92 × 109,310.70
  4. Step 4: Simplify right side
    345,968.04x = 56,726,669,709.44
  5. Step 5: Solve for x
    x = 56,726,669,709.44/345,968.04
  6. Step 6: Final answer
    x = 163,965.06

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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.