Finding the Fourth Proportional to 212,092.45, 292,670.17 and 124,863.70
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Solution
The fourth proportional to 212,092.45, 292,670.17 and 124,863.70 is: 172,301.66
Step by Step Solution
- Step 1: Write the proportion equation
212,092.45 : 292,670.17 = 124,863.70 : x - Step 2: Convert to fraction form
212,092.45/292,670.17 = 124,863.70/x - Step 3: Cross multiply
212,092.45x = 292,670.17 × 124,863.70 - Step 4: Simplify right side
212,092.45x = 36,543,879,681.51 - Step 5: Solve for x
x = 36,543,879,681.51/212,092.45 - Step 6: Final answer
x = 172,301.66
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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.