Finding the Fourth Proportional to 371,404.48, 512,543.82 and 201,638.62
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Solution
The fourth proportional to 371,404.48, 512,543.82 and 201,638.62 is: 278,264.36
Step by Step Solution
- Step 1: Write the proportion equation
371,404.48 : 512,543.82 = 201,638.62 : x - Step 2: Convert to fraction form
371,404.48/512,543.82 = 201,638.62/x - Step 3: Cross multiply
371,404.48x = 512,543.82 × 201,638.62 - Step 4: Simplify right side
371,404.48x = 103,348,628,554.33 - Step 5: Solve for x
x = 103,348,628,554.33/371,404.48 - Step 6: Final answer
x = 278,264.36
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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.