Finding the Fourth Proportional to 389,823.62, 584,968.70 and 168,207.62
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Solution
The fourth proportional to 389,823.62, 584,968.70 and 168,207.62 is: 252,412.08
Step by Step Solution
- Step 1: Write the proportion equation
389,823.62 : 584,968.70 = 168,207.62 : x - Step 2: Convert to fraction form
389,823.62/584,968.70 = 168,207.62/x - Step 3: Cross multiply
389,823.62x = 584,968.70 × 168,207.62 - Step 4: Simplify right side
389,823.62x = 98,396,189,035.61 - Step 5: Solve for x
x = 98,396,189,035.61/389,823.62 - Step 6: Final answer
x = 252,412.08
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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.