Finding the Fourth Proportional to 464,198.96, 640,596.19 and 292,230.70
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Solution
The fourth proportional to 464,198.96, 640,596.19 and 292,230.70 is: 403,279.39
Step by Step Solution
- Step 1: Write the proportion equation
464,198.96 : 640,596.19 = 292,230.70 : x - Step 2: Convert to fraction form
464,198.96/640,596.19 = 292,230.70/x - Step 3: Cross multiply
464,198.96x = 640,596.19 × 292,230.70 - Step 4: Simplify right side
464,198.96x = 187,201,870,688.97 - Step 5: Solve for x
x = 187,201,870,688.97/464,198.96 - Step 6: Final answer
x = 403,279.39
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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.