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Finding the Fourth Proportional to 272,003.60, 407,083.80 and 272,003.60

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Solution

The fourth proportional to 272,003.60, 407,083.80 and 272,003.60 is: 407,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,003.60 : 407,083.80 = 272,003.60 : x
  2. Step 2: Convert to fraction form
    272,003.60/407,083.80 = 272,003.60/x
  3. Step 3: Cross multiply
    272,003.60x = 407,083.80 × 272,003.60
  4. Step 4: Simplify right side
    272,003.60x = 110,728,259,101.68
  5. Step 5: Solve for x
    x = 110,728,259,101.68/272,003.60
  6. Step 6: Final answer
    x = 407,083.80

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1.5x scale

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.