Home / 325,384.13-449,005.50-180,189.20

Finding the Fourth Proportional to 325,384.13, 449,005.50 and 180,189.20

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Solution

The fourth proportional to 325,384.13, 449,005.50 and 180,189.20 is: 248,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,384.13 : 449,005.50 = 180,189.20 : x
  2. Step 2: Convert to fraction form
    325,384.13/449,005.50 = 180,189.20/x
  3. Step 3: Cross multiply
    325,384.13x = 449,005.50 × 180,189.20
  4. Step 4: Simplify right side
    325,384.13x = 80,905,940,939.65
  5. Step 5: Solve for x
    x = 80,905,940,939.65/325,384.13
  6. Step 6: Final answer
    x = 248,647.47

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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.