Finding the Fourth Proportional to 358,000.68, 494,049.06 and 196,864.68
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Solution
The fourth proportional to 358,000.68, 494,049.06 and 196,864.68 is: 271,677.72
Step by Step Solution
- Step 1: Write the proportion equation
358,000.68 : 494,049.06 = 196,864.68 : x - Step 2: Convert to fraction form
358,000.68/494,049.06 = 196,864.68/x - Step 3: Cross multiply
358,000.68x = 494,049.06 × 196,864.68 - Step 4: Simplify right side
358,000.68x = 97,260,810,101.20 - Step 5: Solve for x
x = 97,260,810,101.20/358,000.68 - Step 6: Final answer
x = 271,677.72
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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.