Finding the Fourth Proportional to 371,255.54, 512,329.62 and 201,489.70
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Solution
The fourth proportional to 371,255.54, 512,329.62 and 201,489.70 is: 278,054.14
Step by Step Solution
- Step 1: Write the proportion equation
371,255.54 : 512,329.62 = 201,489.70 : x - Step 2: Convert to fraction form
371,255.54/512,329.62 = 201,489.70/x - Step 3: Cross multiply
371,255.54x = 512,329.62 × 201,489.70 - Step 4: Simplify right side
371,255.54x = 103,229,141,434.91 - Step 5: Solve for x
x = 103,229,141,434.91/371,255.54 - Step 6: Final answer
x = 278,054.14
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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.