Finding the Fourth Proportional to 448,390.48, 672,684.12 and 132,872.08
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Solution
The fourth proportional to 448,390.48, 672,684.12 and 132,872.08 is: 199,337.28
Step by Step Solution
- Step 1: Write the proportion equation
448,390.48 : 672,684.12 = 132,872.08 : x - Step 2: Convert to fraction form
448,390.48/672,684.12 = 132,872.08/x - Step 3: Cross multiply
448,390.48x = 672,684.12 × 132,872.08 - Step 4: Simplify right side
448,390.48x = 89,380,938,207.37 - Step 5: Solve for x
x = 89,380,938,207.37/448,390.48 - Step 6: Final answer
x = 199,337.28
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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.