Home / 300,872.28-451,191.78-160,554.36

Finding the Fourth Proportional to 300,872.28, 451,191.78 and 160,554.36

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Solution

The fourth proportional to 300,872.28, 451,191.78 and 160,554.36 is: 240,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,872.28 : 451,191.78 = 160,554.36 : x
  2. Step 2: Convert to fraction form
    300,872.28/451,191.78 = 160,554.36/x
  3. Step 3: Cross multiply
    300,872.28x = 451,191.78 × 160,554.36
  4. Step 4: Simplify right side
    300,872.28x = 72,440,807,475.16
  5. Step 5: Solve for x
    x = 72,440,807,475.16/300,872.28
  6. Step 6: Final answer
    x = 240,769.30

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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.