Finding the Fourth Proportional to 358,989.93, 495,319.10 and 203,906.70
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Solution
The fourth proportional to 358,989.93, 495,319.10 and 203,906.70 is: 281,341.83
Step by Step Solution
- Step 1: Write the proportion equation
358,989.93 : 495,319.10 = 203,906.70 : x - Step 2: Convert to fraction form
358,989.93/495,319.10 = 203,906.70/x - Step 3: Cross multiply
358,989.93x = 495,319.10 × 203,906.70 - Step 4: Simplify right side
358,989.93x = 100,998,882,108.44 - Step 5: Solve for x
x = 100,998,882,108.44/358,989.93 - Step 6: Final answer
x = 281,341.83
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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.