Finding the Fourth Proportional to 371,079.75, 512,085.20 and 201,319.95
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Solution
The fourth proportional to 371,079.75, 512,085.20 and 201,319.95 is: 277,818.89
Step by Step Solution
- Step 1: Write the proportion equation
371,079.75 : 512,085.20 = 201,319.95 : x - Step 2: Convert to fraction form
371,079.75/512,085.20 = 201,319.95/x - Step 3: Cross multiply
371,079.75x = 512,085.20 × 201,319.95 - Step 4: Simplify right side
371,079.75x = 103,092,965,853.14 - Step 5: Solve for x
x = 103,092,965,853.14/371,079.75 - Step 6: Final answer
x = 277,818.89
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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.