Finding the Fourth Proportional to 371,279.80, 512,362.98 and 201,510.28
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Solution
The fourth proportional to 371,279.80, 512,362.98 and 201,510.28 is: 278,082.48
Step by Step Solution
- Step 1: Write the proportion equation
371,279.80 : 512,362.98 = 201,510.28 : x - Step 2: Convert to fraction form
371,279.80/512,362.98 = 201,510.28/x - Step 3: Cross multiply
371,279.80x = 512,362.98 × 201,510.28 - Step 4: Simplify right side
371,279.80x = 103,246,407,561.43 - Step 5: Solve for x
x = 103,246,407,561.43/371,279.80 - Step 6: Final answer
x = 278,082.48
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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.