Finding the Fourth Proportional to 448,226.88, 672,471.98 and 132,691.98
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Solution
The fourth proportional to 448,226.88, 672,471.98 and 132,691.98 is: 199,076.95
Step by Step Solution
- Step 1: Write the proportion equation
448,226.88 : 672,471.98 = 132,691.98 : x - Step 2: Convert to fraction form
448,226.88/672,471.98 = 132,691.98/x - Step 3: Cross multiply
448,226.88x = 672,471.98 × 132,691.98 - Step 4: Simplify right side
448,226.88x = 89,231,638,520.72 - Step 5: Solve for x
x = 89,231,638,520.72/448,226.88 - Step 6: Final answer
x = 199,076.95
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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.