Finding the Fourth Proportional to 165,772.97, 228,765.43 and 97,790.07
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Solution
The fourth proportional to 165,772.97, 228,765.43 and 97,790.07 is: 134,949.55
Step by Step Solution
- Step 1: Write the proportion equation
165,772.97 : 228,765.43 = 97,790.07 : x - Step 2: Convert to fraction form
165,772.97/228,765.43 = 97,790.07/x - Step 3: Cross multiply
165,772.97x = 228,765.43 × 97,790.07 - Step 4: Simplify right side
165,772.97x = 22,370,987,413.28 - Step 5: Solve for x
x = 22,370,987,413.28/165,772.97 - Step 6: Final answer
x = 134,949.55
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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.