Finding the Fourth Proportional to 305,894.60, 422,201.93 and 169,975.18
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Solution
The fourth proportional to 305,894.60, 422,201.93 and 169,975.18 is: 234,603.19
Step by Step Solution
- Step 1: Write the proportion equation
305,894.60 : 422,201.93 = 169,975.18 : x - Step 2: Convert to fraction form
305,894.60/422,201.93 = 169,975.18/x - Step 3: Cross multiply
305,894.60x = 422,201.93 × 169,975.18 - Step 4: Simplify right side
305,894.60x = 71,763,847,142.72 - Step 5: Solve for x
x = 71,763,847,142.72/305,894.60 - Step 6: Final answer
x = 234,603.19
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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.