Finding the Fourth Proportional to 319,530.24, 479,147.04 and 186,448.80
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Solution
The fourth proportional to 319,530.24, 479,147.04 and 186,448.80 is: 279,586.65
Step by Step Solution
- Step 1: Write the proportion equation
319,530.24 : 479,147.04 = 186,448.80 : x - Step 2: Convert to fraction form
319,530.24/479,147.04 = 186,448.80/x - Step 3: Cross multiply
319,530.24x = 479,147.04 × 186,448.80 - Step 4: Simplify right side
319,530.24x = 89,336,390,631.55 - Step 5: Solve for x
x = 89,336,390,631.55/319,530.24 - Step 6: Final answer
x = 279,586.65
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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.