Finding the Fourth Proportional to 220,393.08, 304,142.40 and 119,791.08
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Solution
The fourth proportional to 220,393.08, 304,142.40 and 119,791.08 is: 165,311.66
Step by Step Solution
- Step 1: Write the proportion equation
220,393.08 : 304,142.40 = 119,791.08 : x - Step 2: Convert to fraction form
220,393.08/304,142.40 = 119,791.08/x - Step 3: Cross multiply
220,393.08x = 304,142.40 × 119,791.08 - Step 4: Simplify right side
220,393.08x = 36,433,546,569.79 - Step 5: Solve for x
x = 36,433,546,569.79/220,393.08 - Step 6: Final answer
x = 165,311.66
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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.