Finding the Fourth Proportional to 276,369.29, 413,889.62 and 157,680.80
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Solution
The fourth proportional to 276,369.29, 413,889.62 and 157,680.80 is: 236,142.17
Step by Step Solution
- Step 1: Write the proportion equation
276,369.29 : 413,889.62 = 157,680.80 : x - Step 2: Convert to fraction form
276,369.29/413,889.62 = 157,680.80/x - Step 3: Cross multiply
276,369.29x = 413,889.62 × 157,680.80 - Step 4: Simplify right side
276,369.29x = 65,262,443,535.44 - Step 5: Solve for x
x = 65,262,443,535.44/276,369.29 - Step 6: Final answer
x = 236,142.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.