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Finding the Fourth Proportional to 258,510.48, 356,503.68 and 167,769.44

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Solution

The fourth proportional to 258,510.48, 356,503.68 and 167,769.44 is: 231,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,510.48 : 356,503.68 = 167,769.44 : x
  2. Step 2: Convert to fraction form
    258,510.48/356,503.68 = 167,769.44/x
  3. Step 3: Cross multiply
    258,510.48x = 356,503.68 × 167,769.44
  4. Step 4: Simplify right side
    258,510.48x = 59,810,422,751.54
  5. Step 5: Solve for x
    x = 59,810,422,751.54/258,510.48
  6. Step 6: Final answer
    x = 231,365.56

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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.