Finding the Fourth Proportional to 256,174.19, 353,519.02 and 148,770.62
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Solution
The fourth proportional to 256,174.19, 353,519.02 and 148,770.62 is: 205,302.66
Step by Step Solution
- Step 1: Write the proportion equation
256,174.19 : 353,519.02 = 148,770.62 : x - Step 2: Convert to fraction form
256,174.19/353,519.02 = 148,770.62/x - Step 3: Cross multiply
256,174.19x = 353,519.02 × 148,770.62 - Step 4: Simplify right side
256,174.19x = 52,593,243,787.19 - Step 5: Solve for x
x = 52,593,243,787.19/256,174.19 - Step 6: Final answer
x = 205,302.66
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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.