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Finding the Fourth Proportional to 324,652.68, 448,012.10 and 181,413.90

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Solution

The fourth proportional to 324,652.68, 448,012.10 and 181,413.90 is: 250,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,652.68 : 448,012.10 = 181,413.90 : x
  2. Step 2: Convert to fraction form
    324,652.68/448,012.10 = 181,413.90/x
  3. Step 3: Cross multiply
    324,652.68x = 448,012.10 × 181,413.90
  4. Step 4: Simplify right side
    324,652.68x = 81,275,622,761.72
  5. Step 5: Solve for x
    x = 81,275,622,761.72/324,652.68
  6. Step 6: Final answer
    x = 250,346.38

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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.