Finding the Fourth Proportional to 186,531.26, 257,412.74 and 101,648.12
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Solution
The fourth proportional to 186,531.26, 257,412.74 and 101,648.12 is: 140,274.19
Step by Step Solution
- Step 1: Write the proportion equation
186,531.26 : 257,412.74 = 101,648.12 : x - Step 2: Convert to fraction form
186,531.26/257,412.74 = 101,648.12/x - Step 3: Cross multiply
186,531.26x = 257,412.74 × 101,648.12 - Step 4: Simplify right side
186,531.26x = 26,165,521,085.05 - Step 5: Solve for x
x = 26,165,521,085.05/186,531.26 - Step 6: Final answer
x = 140,274.19
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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.