Home / 275,787.28-380,631.62-229,773.98

Finding the Fourth Proportional to 275,787.28, 380,631.62 and 229,773.98

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Solution

The fourth proportional to 275,787.28, 380,631.62 and 229,773.98 is: 317,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,787.28 : 380,631.62 = 229,773.98 : x
  2. Step 2: Convert to fraction form
    275,787.28/380,631.62 = 229,773.98/x
  3. Step 3: Cross multiply
    275,787.28x = 380,631.62 × 229,773.98
  4. Step 4: Simplify right side
    275,787.28x = 87,459,243,767.26
  5. Step 5: Solve for x
    x = 87,459,243,767.26/275,787.28
  6. Step 6: Final answer
    x = 317,125.73

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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.