Home / 252,226.30-378,361.16-72,312.44

Finding the Fourth Proportional to 252,226.30, 378,361.16 and 72,312.44

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Solution

The fourth proportional to 252,226.30, 378,361.16 and 72,312.44 is: 108,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,226.30 : 378,361.16 = 72,312.44 : x
  2. Step 2: Convert to fraction form
    252,226.30/378,361.16 = 72,312.44/x
  3. Step 3: Cross multiply
    252,226.30x = 378,361.16 × 72,312.44
  4. Step 4: Simplify right side
    252,226.30x = 27,360,216,427.46
  5. Step 5: Solve for x
    x = 27,360,216,427.46/252,226.30
  6. Step 6: Final answer
    x = 108,474.88

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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.