Finding the Fourth Proportional to 397,511.81, 548,605.01 and 296,734.85
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Solution
The fourth proportional to 397,511.81, 548,605.01 and 296,734.85 is: 409,522.99
Step by Step Solution
- Step 1: Write the proportion equation
397,511.81 : 548,605.01 = 296,734.85 : x - Step 2: Convert to fraction form
397,511.81/548,605.01 = 296,734.85/x - Step 3: Cross multiply
397,511.81x = 548,605.01 × 296,734.85 - Step 4: Simplify right side
397,511.81x = 162,790,223,867.92 - Step 5: Solve for x
x = 162,790,223,867.92/397,511.81 - Step 6: Final answer
x = 409,522.99
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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.