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Finding the Fourth Proportional to 199,651, 275,157.52 and 165,479.53

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Solution

The fourth proportional to 199,651, 275,157.52 and 165,479.53 is: 228,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,651 : 275,157.52 = 165,479.53 : x
  2. Step 2: Convert to fraction form
    199,651/275,157.52 = 165,479.53/x
  3. Step 3: Cross multiply
    199,651x = 275,157.52 × 165,479.53
  4. Step 4: Simplify right side
    199,651x = 45,532,937,085.57
  5. Step 5: Solve for x
    x = 45,532,937,085.57/199,651
  6. Step 6: Final answer
    x = 228,062.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.