Home / 351,504.72-527,148-126,835.98

Finding the Fourth Proportional to 351,504.72, 527,148 and 126,835.98

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Solution

The fourth proportional to 351,504.72, 527,148 and 126,835.98 is: 190,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,504.72 : 527,148 = 126,835.98 : x
  2. Step 2: Convert to fraction form
    351,504.72/527,148 = 126,835.98/x
  3. Step 3: Cross multiply
    351,504.72x = 527,148 × 126,835.98
  4. Step 4: Simplify right side
    351,504.72x = 66,861,333,185.04
  5. Step 5: Solve for x
    x = 66,861,333,185.04/351,504.72
  6. Step 6: Final answer
    x = 190,214.61

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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.