Finding the Fourth Proportional to 828,101.97, 1,242,212.03 and 220,886.88
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Solution
The fourth proportional to 828,101.97, 1,242,212.03 and 220,886.88 is: 331,346.08
Step by Step Solution
- Step 1: Write the proportion equation
828,101.97 : 1,242,212.03 = 220,886.88 : x - Step 2: Convert to fraction form
828,101.97/1,242,212.03 = 220,886.88/x - Step 3: Cross multiply
828,101.97x = 1,242,212.03 × 220,886.88 - Step 4: Simplify right side
828,101.97x = 274,388,338,500.73 - Step 5: Solve for x
x = 274,388,338,500.73/828,101.97 - Step 6: Final answer
x = 331,346.08
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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.