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Finding the Fourth Proportional to 235,066.60, 352,632.30 and 85,270.60

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Solution

The fourth proportional to 235,066.60, 352,632.30 and 85,270.60 is: 127,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,066.60 : 352,632.30 = 85,270.60 : x
  2. Step 2: Convert to fraction form
    235,066.60/352,632.30 = 85,270.60/x
  3. Step 3: Cross multiply
    235,066.60x = 352,632.30 × 85,270.60
  4. Step 4: Simplify right side
    235,066.60x = 30,069,167,800.38
  5. Step 5: Solve for x
    x = 30,069,167,800.38/235,066.60
  6. Step 6: Final answer
    x = 127,917.65

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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.