Finding the Fourth Proportional to 448,373.48, 672,658.62 and 132,855.08
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Solution
The fourth proportional to 448,373.48, 672,658.62 and 132,855.08 is: 199,311.78
Step by Step Solution
- Step 1: Write the proportion equation
448,373.48 : 672,658.62 = 132,855.08 : x - Step 2: Convert to fraction form
448,373.48/672,658.62 = 132,855.08/x - Step 3: Cross multiply
448,373.48x = 672,658.62 × 132,855.08 - Step 4: Simplify right side
448,373.48x = 89,366,114,772.79 - Step 5: Solve for x
x = 89,366,114,772.79/448,373.48 - Step 6: Final answer
x = 199,311.78
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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.