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Finding the Fourth Proportional to 272,427.50, 375,950.14 and 159,251.06

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Solution

The fourth proportional to 272,427.50, 375,950.14 and 159,251.06 is: 219,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,427.50 : 375,950.14 = 159,251.06 : x
  2. Step 2: Convert to fraction form
    272,427.50/375,950.14 = 159,251.06/x
  3. Step 3: Cross multiply
    272,427.50x = 375,950.14 × 159,251.06
  4. Step 4: Simplify right side
    272,427.50x = 59,870,458,302.15
  5. Step 5: Solve for x
    x = 59,870,458,302.15/272,427.50
  6. Step 6: Final answer
    x = 219,766.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.