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Finding the Fourth Proportional to 235,130.54, 353,149.62 and 201,472.61

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Solution

The fourth proportional to 235,130.54, 353,149.62 and 201,472.61 is: 302,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,130.54 : 353,149.62 = 201,472.61 : x
  2. Step 2: Convert to fraction form
    235,130.54/353,149.62 = 201,472.61/x
  3. Step 3: Cross multiply
    235,130.54x = 353,149.62 × 201,472.61
  4. Step 4: Simplify right side
    235,130.54x = 71,149,974,654.55
  5. Step 5: Solve for x
    x = 71,149,974,654.55/235,130.54
  6. Step 6: Final answer
    x = 302,597.76

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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.