Finding the Fourth Proportional to 342,249.97, 472,115.35 and 198,994.18
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Solution
The fourth proportional to 342,249.97, 472,115.35 and 198,994.18 is: 274,501.72
Step by Step Solution
- Step 1: Write the proportion equation
342,249.97 : 472,115.35 = 198,994.18 : x - Step 2: Convert to fraction form
342,249.97/472,115.35 = 198,994.18/x - Step 3: Cross multiply
342,249.97x = 472,115.35 × 198,994.18 - Step 4: Simplify right side
342,249.97x = 93,948,206,938.66 - Step 5: Solve for x
x = 93,948,206,938.66/342,249.97 - Step 6: Final answer
x = 274,501.72
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1.5x scale
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.