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Finding the Fourth Proportional to 276,958.80, 382,201.20 and 163,779.12

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Solution

The fourth proportional to 276,958.80, 382,201.20 and 163,779.12 is: 226,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,958.80 : 382,201.20 = 163,779.12 : x
  2. Step 2: Convert to fraction form
    276,958.80/382,201.20 = 163,779.12/x
  3. Step 3: Cross multiply
    276,958.80x = 382,201.20 × 163,779.12
  4. Step 4: Simplify right side
    276,958.80x = 62,596,576,198.94
  5. Step 5: Solve for x
    x = 62,596,576,198.94/276,958.80
  6. Step 6: Final answer
    x = 226,014.04

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1.5x scale

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.