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Finding the Fourth Proportional to 275,761.67, 380,592.54 and 168,393.65

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Solution

The fourth proportional to 275,761.67, 380,592.54 and 168,393.65 is: 232,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,761.67 : 380,592.54 = 168,393.65 : x
  2. Step 2: Convert to fraction form
    275,761.67/380,592.54 = 168,393.65/x
  3. Step 3: Cross multiply
    275,761.67x = 380,592.54 × 168,393.65
  4. Step 4: Simplify right side
    275,761.67x = 64,089,365,070.41
  5. Step 5: Solve for x
    x = 64,089,365,070.41/275,761.67
  6. Step 6: Final answer
    x = 232,408.54

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1.5x scale

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.