Finding the Fourth Proportional to 272,869.92, 376,561.08 and 158,170.68
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Solution
The fourth proportional to 272,869.92, 376,561.08 and 158,170.68 is: 218,275.88
Step by Step Solution
- Step 1: Write the proportion equation
272,869.92 : 376,561.08 = 158,170.68 : x - Step 2: Convert to fraction form
272,869.92/376,561.08 = 158,170.68/x - Step 3: Cross multiply
272,869.92x = 376,561.08 × 158,170.68 - Step 4: Simplify right side
272,869.92x = 59,560,922,085.13 - Step 5: Solve for x
x = 59,560,922,085.13/272,869.92 - Step 6: Final answer
x = 218,275.88
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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.