Finding the Fourth Proportional to 548,330.62, 756,691.96 and 306,613.66
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Solution
The fourth proportional to 548,330.62, 756,691.96 and 306,613.66 is: 423,124.45
Step by Step Solution
- Step 1: Write the proportion equation
548,330.62 : 756,691.96 = 306,613.66 : x - Step 2: Convert to fraction form
548,330.62/756,691.96 = 306,613.66/x - Step 3: Cross multiply
548,330.62x = 756,691.96 × 306,613.66 - Step 4: Simplify right side
548,330.62x = 232,012,091,348.17 - Step 5: Solve for x
x = 232,012,091,348.17/548,330.62 - Step 6: Final answer
x = 423,124.45
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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.