Finding the Fourth Proportional to 547,512.18, 820,728.52 and 192,277.09
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Solution
The fourth proportional to 547,512.18, 820,728.52 and 192,277.09 is: 288,226.09
Step by Step Solution
- Step 1: Write the proportion equation
547,512.18 : 820,728.52 = 192,277.09 : x - Step 2: Convert to fraction form
547,512.18/820,728.52 = 192,277.09/x - Step 3: Cross multiply
547,512.18x = 820,728.52 × 192,277.09 - Step 4: Simplify right side
547,512.18x = 157,807,292,050.83 - Step 5: Solve for x
x = 157,807,292,050.83/547,512.18 - Step 6: Final answer
x = 288,226.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.