Finding the Fourth Proportional to 206,058.74, 309,193.66 and 98,110.26
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Solution
The fourth proportional to 206,058.74, 309,193.66 and 98,110.26 is: 147,215.65
Step by Step Solution
- Step 1: Write the proportion equation
206,058.74 : 309,193.66 = 98,110.26 : x - Step 2: Convert to fraction form
206,058.74/309,193.66 = 98,110.26/x - Step 3: Cross multiply
206,058.74x = 309,193.66 × 98,110.26 - Step 4: Simplify right side
206,058.74x = 30,335,070,813.33 - Step 5: Solve for x
x = 30,335,070,813.33/206,058.74 - Step 6: Final answer
x = 147,215.65
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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.