Finding the Fourth Proportional to 212,036.97, 292,653.58 and 125,979.39
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Solution
The fourth proportional to 212,036.97, 292,653.58 and 125,979.39 is: 173,876.85
Step by Step Solution
- Step 1: Write the proportion equation
212,036.97 : 292,653.58 = 125,979.39 : x - Step 2: Convert to fraction form
212,036.97/292,653.58 = 125,979.39/x - Step 3: Cross multiply
212,036.97x = 292,653.58 × 125,979.39 - Step 4: Simplify right side
212,036.97x = 36,868,319,489.72 - Step 5: Solve for x
x = 36,868,319,489.72/212,036.97 - Step 6: Final answer
x = 173,876.85
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1.5x scale
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.