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Finding the Fourth Proportional to 370,734.60, 555,324.30 and 204,328.20

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Solution

The fourth proportional to 370,734.60, 555,324.30 and 204,328.20 is: 306,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,734.60 : 555,324.30 = 204,328.20 : x
  2. Step 2: Convert to fraction form
    370,734.60/555,324.30 = 204,328.20/x
  3. Step 3: Cross multiply
    370,734.60x = 555,324.30 × 204,328.20
  4. Step 4: Simplify right side
    370,734.60x = 113,468,414,635.26
  5. Step 5: Solve for x
    x = 113,468,414,635.26/370,734.60
  6. Step 6: Final answer
    x = 306,063.73

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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.