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Finding the Fourth Proportional to 441,545.32, 662,384.22 and 204,912.28

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Solution

The fourth proportional to 441,545.32, 662,384.22 and 204,912.28 is: 307,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,545.32 : 662,384.22 = 204,912.28 : x
  2. Step 2: Convert to fraction form
    441,545.32/662,384.22 = 204,912.28/x
  3. Step 3: Cross multiply
    441,545.32x = 662,384.22 × 204,912.28
  4. Step 4: Simplify right side
    441,545.32x = 135,730,660,756.22
  5. Step 5: Solve for x
    x = 135,730,660,756.22/441,545.32
  6. Step 6: Final answer
    x = 307,399.16

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1.5x scale

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.