Finding the Fourth Proportional to 277,036.07, 382,286.84 and 156,207.02
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Solution
The fourth proportional to 277,036.07, 382,286.84 and 156,207.02 is: 215,552.75
Step by Step Solution
- Step 1: Write the proportion equation
277,036.07 : 382,286.84 = 156,207.02 : x - Step 2: Convert to fraction form
277,036.07/382,286.84 = 156,207.02/x - Step 3: Cross multiply
277,036.07x = 382,286.84 × 156,207.02 - Step 4: Simplify right side
277,036.07x = 59,715,885,369.15 - Step 5: Solve for x
x = 59,715,885,369.15/277,036.07 - Step 6: Final answer
x = 215,552.75
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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.