Finding the Fourth Proportional to 319,251.85, 479,018.93 and 167,412.65
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Solution
The fourth proportional to 319,251.85, 479,018.93 and 167,412.65 is: 251,192.99
Step by Step Solution
- Step 1: Write the proportion equation
319,251.85 : 479,018.93 = 167,412.65 : x - Step 2: Convert to fraction form
319,251.85/479,018.93 = 167,412.65/x - Step 3: Cross multiply
319,251.85x = 479,018.93 × 167,412.65 - Step 4: Simplify right side
319,251.85x = 80,193,825,239.31 - Step 5: Solve for x
x = 80,193,825,239.31/319,251.85 - Step 6: Final answer
x = 251,192.99
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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.