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Finding the Fourth Proportional to 250,166.06, 375,319.23 and 100,511.42

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Solution

The fourth proportional to 250,166.06, 375,319.23 and 100,511.42 is: 150,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,166.06 : 375,319.23 = 100,511.42 : x
  2. Step 2: Convert to fraction form
    250,166.06/375,319.23 = 100,511.42/x
  3. Step 3: Cross multiply
    250,166.06x = 375,319.23 × 100,511.42
  4. Step 4: Simplify right side
    250,166.06x = 37,723,868,258.05
  5. Step 5: Solve for x
    x = 37,723,868,258.05/250,166.06
  6. Step 6: Final answer
    x = 150,795.31

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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.