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Finding the Fourth Proportional to 223,830.20, 335,630.10 and 83,516.60

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Solution

The fourth proportional to 223,830.20, 335,630.10 and 83,516.60 is: 125,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,830.20 : 335,630.10 = 83,516.60 : x
  2. Step 2: Convert to fraction form
    223,830.20/335,630.10 = 83,516.60/x
  3. Step 3: Cross multiply
    223,830.20x = 335,630.10 × 83,516.60
  4. Step 4: Simplify right side
    223,830.20x = 28,030,684,809.66
  5. Step 5: Solve for x
    x = 28,030,684,809.66/223,830.20
  6. Step 6: Final answer
    x = 125,231.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.