Finding the Fourth Proportional to 548,305.80, 822,458.70 and 232,721.70
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Solution
The fourth proportional to 548,305.80, 822,458.70 and 232,721.70 is: 349,082.55
Step by Step Solution
- Step 1: Write the proportion equation
548,305.80 : 822,458.70 = 232,721.70 : x - Step 2: Convert to fraction form
548,305.80/822,458.70 = 232,721.70/x - Step 3: Cross multiply
548,305.80x = 822,458.70 × 232,721.70 - Step 4: Simplify right side
548,305.80x = 191,403,986,843.79 - Step 5: Solve for x
x = 191,403,986,843.79/548,305.80 - Step 6: Final answer
x = 349,082.55
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Similar ratio
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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.