Finding the Fourth Proportional to 402,193.97, 555,032.25 and 220,910.15
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Solution
The fourth proportional to 402,193.97, 555,032.25 and 220,910.15 is: 304,858.52
Step by Step Solution
- Step 1: Write the proportion equation
402,193.97 : 555,032.25 = 220,910.15 : x - Step 2: Convert to fraction form
402,193.97/555,032.25 = 220,910.15/x - Step 3: Cross multiply
402,193.97x = 555,032.25 × 220,910.15 - Step 4: Simplify right side
402,193.97x = 122,612,258,989.92 - Step 5: Solve for x
x = 122,612,258,989.92/402,193.97 - Step 6: Final answer
x = 304,858.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.