Home / 262,360.20-393,540.30-209,872.20

Finding the Fourth Proportional to 262,360.20, 393,540.30 and 209,872.20

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Solution

The fourth proportional to 262,360.20, 393,540.30 and 209,872.20 is: 314,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,360.20 : 393,540.30 = 209,872.20 : x
  2. Step 2: Convert to fraction form
    262,360.20/393,540.30 = 209,872.20/x
  3. Step 3: Cross multiply
    262,360.20x = 393,540.30 × 209,872.20
  4. Step 4: Simplify right side
    262,360.20x = 82,593,168,549.66
  5. Step 5: Solve for x
    x = 82,593,168,549.66/262,360.20
  6. Step 6: Final answer
    x = 314,808.30

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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.