Finding the Fourth Proportional to 201,822.24, 278,514.72 and 116,988.52
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Solution
The fourth proportional to 201,822.24, 278,514.72 and 116,988.52 is: 161,444.17
Step by Step Solution
- Step 1: Write the proportion equation
201,822.24 : 278,514.72 = 116,988.52 : x - Step 2: Convert to fraction form
201,822.24/278,514.72 = 116,988.52/x - Step 3: Cross multiply
201,822.24x = 278,514.72 × 116,988.52 - Step 4: Simplify right side
201,822.24x = 32,583,024,891.01 - Step 5: Solve for x
x = 32,583,024,891.01/201,822.24 - Step 6: Final answer
x = 161,444.17
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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.