Finding the Fourth Proportional to 371,182.78, 512,233.60 and 201,416.92
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Solution
The fourth proportional to 371,182.78, 512,233.60 and 201,416.92 is: 277,956.09
Step by Step Solution
- Step 1: Write the proportion equation
371,182.78 : 512,233.60 = 201,416.92 : x - Step 2: Convert to fraction form
371,182.78/512,233.60 = 201,416.92/x - Step 3: Cross multiply
371,182.78x = 512,233.60 × 201,416.92 - Step 4: Simplify right side
371,182.78x = 103,172,514,032.51 - Step 5: Solve for x
x = 103,172,514,032.51/371,182.78 - Step 6: Final answer
x = 277,956.09
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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.