Finding the Fourth Proportional to 319,065.62, 440,311.36 and 173,872.52
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Solution
The fourth proportional to 319,065.62, 440,311.36 and 173,872.52 is: 239,944.52
Step by Step Solution
- Step 1: Write the proportion equation
319,065.62 : 440,311.36 = 173,872.52 : x - Step 2: Convert to fraction form
319,065.62/440,311.36 = 173,872.52/x - Step 3: Cross multiply
319,065.62x = 440,311.36 × 173,872.52 - Step 4: Simplify right side
319,065.62x = 76,558,045,747.83 - Step 5: Solve for x
x = 76,558,045,747.83/319,065.62 - Step 6: Final answer
x = 239,944.52
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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.