Finding the Fourth Proportional to 448,257.54, 672,484.68 and 132,738.96
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Solution
The fourth proportional to 448,257.54, 672,484.68 and 132,738.96 is: 199,137.57
Step by Step Solution
- Step 1: Write the proportion equation
448,257.54 : 672,484.68 = 132,738.96 : x - Step 2: Convert to fraction form
448,257.54/672,484.68 = 132,738.96/x - Step 3: Cross multiply
448,257.54x = 672,484.68 × 132,738.96 - Step 4: Simplify right side
448,257.54x = 89,264,917,039.13 - Step 5: Solve for x
x = 89,264,917,039.13/448,257.54 - Step 6: Final answer
x = 199,137.57
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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.