Finding the Fourth Proportional to 387,338.44, 534,590.94 and 226,192.18
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Solution
The fourth proportional to 387,338.44, 534,590.94 and 226,192.18 is: 312,182.52
Step by Step Solution
- Step 1: Write the proportion equation
387,338.44 : 534,590.94 = 226,192.18 : x - Step 2: Convert to fraction form
387,338.44/534,590.94 = 226,192.18/x - Step 3: Cross multiply
387,338.44x = 534,590.94 × 226,192.18 - Step 4: Simplify right side
387,338.44x = 120,920,290,126.85 - Step 5: Solve for x
x = 120,920,290,126.85/387,338.44 - Step 6: Final answer
x = 312,182.52
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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.