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Finding the Fourth Proportional to 324,783.48, 448,201.73 and 181,543.38

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Solution

The fourth proportional to 324,783.48, 448,201.73 and 181,543.38 is: 250,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,783.48 : 448,201.73 = 181,543.38 : x
  2. Step 2: Convert to fraction form
    324,783.48/448,201.73 = 181,543.38/x
  3. Step 3: Cross multiply
    324,783.48x = 448,201.73 × 181,543.38
  4. Step 4: Simplify right side
    324,783.48x = 81,368,056,078.33
  5. Step 5: Solve for x
    x = 81,368,056,078.33/324,783.48
  6. Step 6: Final answer
    x = 250,530.16

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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.