Finding the Fourth Proportional to 486,440.19, 729,265.86 and 202,343.28
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Solution
The fourth proportional to 486,440.19, 729,265.86 and 202,343.28 is: 303,350.85
Step by Step Solution
- Step 1: Write the proportion equation
486,440.19 : 729,265.86 = 202,343.28 : x - Step 2: Convert to fraction form
486,440.19/729,265.86 = 202,343.28/x - Step 3: Cross multiply
486,440.19x = 729,265.86 × 202,343.28 - Step 4: Simplify right side
486,440.19x = 147,562,046,104.42 - Step 5: Solve for x
x = 147,562,046,104.42/486,440.19 - Step 6: Final answer
x = 303,350.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.