Finding the Fourth Proportional to 342,173.25, 472,194.15 and 189,208.08
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Solution
The fourth proportional to 342,173.25, 472,194.15 and 189,208.08 is: 261,104.42
Step by Step Solution
- Step 1: Write the proportion equation
342,173.25 : 472,194.15 = 189,208.08 : x - Step 2: Convert to fraction form
342,173.25/472,194.15 = 189,208.08/x - Step 3: Cross multiply
342,173.25x = 472,194.15 × 189,208.08 - Step 4: Simplify right side
342,173.25x = 89,342,948,508.73 - Step 5: Solve for x
x = 89,342,948,508.73/342,173.25 - Step 6: Final answer
x = 261,104.42
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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.