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Finding the Fourth Proportional to 206,077.19, 310,755.44 and 203,266.89

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Solution

The fourth proportional to 206,077.19, 310,755.44 and 203,266.89 is: 306,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,077.19 : 310,755.44 = 203,266.89 : x
  2. Step 2: Convert to fraction form
    206,077.19/310,755.44 = 203,266.89/x
  3. Step 3: Cross multiply
    206,077.19x = 310,755.44 × 203,266.89
  4. Step 4: Simplify right side
    206,077.19x = 63,166,292,347.55
  5. Step 5: Solve for x
    x = 63,166,292,347.55/206,077.19
  6. Step 6: Final answer
    x = 306,517.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.