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Finding the Fourth Proportional to 275,808.08, 380,656.32 and 168,439.88

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Solution

The fourth proportional to 275,808.08, 380,656.32 and 168,439.88 is: 232,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,808.08 : 380,656.32 = 168,439.88 : x
  2. Step 2: Convert to fraction form
    275,808.08/380,656.32 = 168,439.88/x
  3. Step 3: Cross multiply
    275,808.08x = 380,656.32 × 168,439.88
  4. Step 4: Simplify right side
    275,808.08x = 64,117,704,862.04
  5. Step 5: Solve for x
    x = 64,117,704,862.04/275,808.08
  6. Step 6: Final answer
    x = 232,472.18

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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.