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Finding the Fourth Proportional to 206,800.26, 310,003.22 and 66,460.26

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Solution

The fourth proportional to 206,800.26, 310,003.22 and 66,460.26 is: 99,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,800.26 : 310,003.22 = 66,460.26 : x
  2. Step 2: Convert to fraction form
    206,800.26/310,003.22 = 66,460.26/x
  3. Step 3: Cross multiply
    206,800.26x = 310,003.22 × 66,460.26
  4. Step 4: Simplify right side
    206,800.26x = 20,602,894,602.04
  5. Step 5: Solve for x
    x = 20,602,894,602.04/206,800.26
  6. Step 6: Final answer
    x = 99,627.02

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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.