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Finding the Fourth Proportional to 448,084.80, 671,608.80 and 181,713.60

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Solution

The fourth proportional to 448,084.80, 671,608.80 and 181,713.60 is: 272,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,084.80 : 671,608.80 = 181,713.60 : x
  2. Step 2: Convert to fraction form
    448,084.80/671,608.80 = 181,713.60/x
  3. Step 3: Cross multiply
    448,084.80x = 671,608.80 × 181,713.60
  4. Step 4: Simplify right side
    448,084.80x = 122,040,452,839.68
  5. Step 5: Solve for x
    x = 122,040,452,839.68/448,084.80
  6. Step 6: Final answer
    x = 272,360.17

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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.