Finding the Fourth Proportional to 336,299.72, 463,831.18 and 215,452.26
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Solution
The fourth proportional to 336,299.72, 463,831.18 and 215,452.26 is: 297,155.99
Step by Step Solution
- Step 1: Write the proportion equation
336,299.72 : 463,831.18 = 215,452.26 : x - Step 2: Convert to fraction form
336,299.72/463,831.18 = 215,452.26/x - Step 3: Cross multiply
336,299.72x = 463,831.18 × 215,452.26 - Step 4: Simplify right side
336,299.72x = 99,933,475,450.84 - Step 5: Solve for x
x = 99,933,475,450.84/336,299.72 - Step 6: Final answer
x = 297,155.99
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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.