Finding the Fourth Proportional to 418,161.08, 577,074.12 and 236,872.96
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Solution
The fourth proportional to 418,161.08, 577,074.12 and 236,872.96 is: 326,891.39
Step by Step Solution
- Step 1: Write the proportion equation
418,161.08 : 577,074.12 = 236,872.96 : x - Step 2: Convert to fraction form
418,161.08/577,074.12 = 236,872.96/x - Step 3: Cross multiply
418,161.08x = 577,074.12 × 236,872.96 - Step 4: Simplify right side
418,161.08x = 136,693,254,943.80 - Step 5: Solve for x
x = 136,693,254,943.80/418,161.08 - Step 6: Final answer
x = 326,891.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.