Finding the Fourth Proportional to 192,569.49, 265,747.91 and 107,691.21
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Solution
The fourth proportional to 192,569.49, 265,747.91 and 107,691.21 is: 148,614.99
Step by Step Solution
- Step 1: Write the proportion equation
192,569.49 : 265,747.91 = 107,691.21 : x - Step 2: Convert to fraction form
192,569.49/265,747.91 = 107,691.21/x - Step 3: Cross multiply
192,569.49x = 265,747.91 × 107,691.21 - Step 4: Simplify right side
192,569.49x = 28,618,713,444.42 - Step 5: Solve for x
x = 28,618,713,444.42/192,569.49 - Step 6: Final answer
x = 148,614.99
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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.