Finding the Fourth Proportional to 448,226.16, 672,470.91 and 132,691.26
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Solution
The fourth proportional to 448,226.16, 672,470.91 and 132,691.26 is: 199,075.88
Step by Step Solution
- Step 1: Write the proportion equation
448,226.16 : 672,470.91 = 132,691.26 : x - Step 2: Convert to fraction form
448,226.16/672,470.91 = 132,691.26/x - Step 3: Cross multiply
448,226.16x = 672,470.91 × 132,691.26 - Step 4: Simplify right side
448,226.16x = 89,231,014,883.01 - Step 5: Solve for x
x = 89,231,014,883.01/448,226.16 - Step 6: Final answer
x = 199,075.88
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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.