Finding the Fourth Proportional to 397,031.62, 547,906.65 and 215,744.53
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Solution
The fourth proportional to 397,031.62, 547,906.65 and 215,744.53 is: 297,729.09
Step by Step Solution
- Step 1: Write the proportion equation
397,031.62 : 547,906.65 = 215,744.53 : x - Step 2: Convert to fraction form
397,031.62/547,906.65 = 215,744.53/x - Step 3: Cross multiply
397,031.62x = 547,906.65 × 215,744.53 - Step 4: Simplify right side
397,031.62x = 118,207,862,688.13 - Step 5: Solve for x
x = 118,207,862,688.13/397,031.62 - Step 6: Final answer
x = 297,729.09
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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.