Finding the Fourth Proportional to 384,871.65, 577,252.80 and 132,163.80
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Solution
The fourth proportional to 384,871.65, 577,252.80 and 132,163.80 is: 198,226.92
Step by Step Solution
- Step 1: Write the proportion equation
384,871.65 : 577,252.80 = 132,163.80 : x - Step 2: Convert to fraction form
384,871.65/577,252.80 = 132,163.80/x - Step 3: Cross multiply
384,871.65x = 577,252.80 × 132,163.80 - Step 4: Simplify right side
384,871.65x = 76,291,923,608.64 - Step 5: Solve for x
x = 76,291,923,608.64/384,871.65 - Step 6: Final answer
x = 198,226.92
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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.