Finding the Fourth Proportional to 982,239.12, 1,473,212.88 and 272,193.12
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Solution
The fourth proportional to 982,239.12, 1,473,212.88 and 272,193.12 is: 408,249.28
Step by Step Solution
- Step 1: Write the proportion equation
982,239.12 : 1,473,212.88 = 272,193.12 : x - Step 2: Convert to fraction form
982,239.12/1,473,212.88 = 272,193.12/x - Step 3: Cross multiply
982,239.12x = 1,473,212.88 × 272,193.12 - Step 4: Simplify right side
982,239.12x = 400,998,410,231.39 - Step 5: Solve for x
x = 400,998,410,231.39/982,239.12 - Step 6: Final answer
x = 408,249.28
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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.