Finding the Fourth Proportional to 371,138.68, 512,177.33 and 201,372.80
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Solution
The fourth proportional to 371,138.68, 512,177.33 and 201,372.80 is: 277,897.69
Step by Step Solution
- Step 1: Write the proportion equation
371,138.68 : 512,177.33 = 201,372.80 : x - Step 2: Convert to fraction form
371,138.68/512,177.33 = 201,372.80/x - Step 3: Cross multiply
371,138.68x = 512,177.33 × 201,372.80 - Step 4: Simplify right side
371,138.68x = 103,138,582,031.76 - Step 5: Solve for x
x = 103,138,582,031.76/371,138.68 - Step 6: Final answer
x = 277,897.69
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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.