Finding the Fourth Proportional to 239,983.92, 331,309.44 and 144,514.08
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Solution
The fourth proportional to 239,983.92, 331,309.44 and 144,514.08 is: 199,508.70
Step by Step Solution
- Step 1: Write the proportion equation
239,983.92 : 331,309.44 = 144,514.08 : x - Step 2: Convert to fraction form
239,983.92/331,309.44 = 144,514.08/x - Step 3: Cross multiply
239,983.92x = 331,309.44 × 144,514.08 - Step 4: Simplify right side
239,983.92x = 47,878,878,916.92 - Step 5: Solve for x
x = 47,878,878,916.92/239,983.92 - Step 6: Final answer
x = 199,508.70
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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.