Finding the Fourth Proportional to 371,370.61, 512,491.42 and 201,604.74
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Solution
The fourth proportional to 371,370.61, 512,491.42 and 201,604.74 is: 278,214.53
Step by Step Solution
- Step 1: Write the proportion equation
371,370.61 : 512,491.42 = 201,604.74 : x - Step 2: Convert to fraction form
371,370.61/512,491.42 = 201,604.74/x - Step 3: Cross multiply
371,370.61x = 512,491.42 × 201,604.74 - Step 4: Simplify right side
371,370.61x = 103,320,699,481.33 - Step 5: Solve for x
x = 103,320,699,481.33/371,370.61 - Step 6: Final answer
x = 278,214.53
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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.