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Finding the Fourth Proportional to 412,545.80, 618,732.30 and 202,334.60

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Solution

The fourth proportional to 412,545.80, 618,732.30 and 202,334.60 is: 303,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,545.80 : 618,732.30 = 202,334.60 : x
  2. Step 2: Convert to fraction form
    412,545.80/618,732.30 = 202,334.60/x
  3. Step 3: Cross multiply
    412,545.80x = 618,732.30 × 202,334.60
  4. Step 4: Simplify right side
    412,545.80x = 125,190,952,427.58
  5. Step 5: Solve for x
    x = 125,190,952,427.58/412,545.80
  6. Step 6: Final answer
    x = 303,459.52

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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.