Finding the Fourth Proportional to 371,217.35, 512,279.93 and 201,451.47
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Solution
The fourth proportional to 371,217.35, 512,279.93 and 201,451.47 is: 278,003.02
Step by Step Solution
- Step 1: Write the proportion equation
371,217.35 : 512,279.93 = 201,451.47 : x - Step 2: Convert to fraction form
371,217.35/512,279.93 = 201,451.47/x - Step 3: Cross multiply
371,217.35x = 512,279.93 × 201,451.47 - Step 4: Simplify right side
371,217.35x = 103,199,543,942.74 - Step 5: Solve for x
x = 103,199,543,942.74/371,217.35 - Step 6: Final answer
x = 278,003.02
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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.