Home / 330,438.66-456,012.09-179,545.38

Finding the Fourth Proportional to 330,438.66, 456,012.09 and 179,545.38

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Solution

The fourth proportional to 330,438.66, 456,012.09 and 179,545.38 is: 247,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,438.66 : 456,012.09 = 179,545.38 : x
  2. Step 2: Convert to fraction form
    330,438.66/456,012.09 = 179,545.38/x
  3. Step 3: Cross multiply
    330,438.66x = 456,012.09 × 179,545.38
  4. Step 4: Simplify right side
    330,438.66x = 81,874,863,983.64
  5. Step 5: Solve for x
    x = 81,874,863,983.64/330,438.66
  6. Step 6: Final answer
    x = 247,776.29

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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.