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Finding the Fourth Proportional to 235,527.40, 352,830.30 and 141,754.60

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Solution

The fourth proportional to 235,527.40, 352,830.30 and 141,754.60 is: 212,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,527.40 : 352,830.30 = 141,754.60 : x
  2. Step 2: Convert to fraction form
    235,527.40/352,830.30 = 141,754.60/x
  3. Step 3: Cross multiply
    235,527.40x = 352,830.30 × 141,754.60
  4. Step 4: Simplify right side
    235,527.40x = 50,015,318,044.38
  5. Step 5: Solve for x
    x = 50,015,318,044.38/235,527.40
  6. Step 6: Final answer
    x = 212,354.56

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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.