Home / 345,948.32-518,922.48-159,116.96

Finding the Fourth Proportional to 345,948.32, 518,922.48 and 159,116.96

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Solution

The fourth proportional to 345,948.32, 518,922.48 and 159,116.96 is: 238,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,948.32 : 518,922.48 = 159,116.96 : x
  2. Step 2: Convert to fraction form
    345,948.32/518,922.48 = 159,116.96/x
  3. Step 3: Cross multiply
    345,948.32x = 518,922.48 × 159,116.96
  4. Step 4: Simplify right side
    345,948.32x = 82,569,367,493.26
  5. Step 5: Solve for x
    x = 82,569,367,493.26/345,948.32
  6. Step 6: Final answer
    x = 238,675.44

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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.