Home / 206,300.08-309,454.44-66,058.30

Finding the Fourth Proportional to 206,300.08, 309,454.44 and 66,058.30

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Solution

The fourth proportional to 206,300.08, 309,454.44 and 66,058.30 is: 99,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,300.08 : 309,454.44 = 66,058.30 : x
  2. Step 2: Convert to fraction form
    206,300.08/309,454.44 = 66,058.30/x
  3. Step 3: Cross multiply
    206,300.08x = 309,454.44 × 66,058.30
  4. Step 4: Simplify right side
    206,300.08x = 20,442,034,233.85
  5. Step 5: Solve for x
    x = 20,442,034,233.85/206,300.08
  6. Step 6: Final answer
    x = 99,088.83

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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.