Finding the Fourth Proportional to 193,272.38, 266,745.04 and 117,864.62
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Solution
The fourth proportional to 193,272.38, 266,745.04 and 117,864.62 is: 162,670.95
Step by Step Solution
- Step 1: Write the proportion equation
193,272.38 : 266,745.04 = 117,864.62 : x - Step 2: Convert to fraction form
193,272.38/266,745.04 = 117,864.62/x - Step 3: Cross multiply
193,272.38x = 266,745.04 × 117,864.62 - Step 4: Simplify right side
193,272.38x = 31,439,801,148.10 - Step 5: Solve for x
x = 31,439,801,148.10/193,272.38 - Step 6: Final answer
x = 162,670.95
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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.