Finding the Fourth Proportional to 371,445.74, 512,597.17 and 201,679.87
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Solution
The fourth proportional to 371,445.74, 512,597.17 and 201,679.87 is: 278,319.33
Step by Step Solution
- Step 1: Write the proportion equation
371,445.74 : 512,597.17 = 201,679.87 : x - Step 2: Convert to fraction form
371,445.74/512,597.17 = 201,679.87/x - Step 3: Cross multiply
371,445.74x = 512,597.17 × 201,679.87 - Step 4: Simplify right side
371,445.74x = 103,380,530,607.97 - Step 5: Solve for x
x = 103,380,530,607.97/371,445.74 - Step 6: Final answer
x = 278,319.33
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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.