Finding the Fourth Proportional to 486,836.28, 730,324.08 and 149,905.44
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Solution
The fourth proportional to 486,836.28, 730,324.08 and 149,905.44 is: 224,879.61
Step by Step Solution
- Step 1: Write the proportion equation
486,836.28 : 730,324.08 = 149,905.44 : x - Step 2: Convert to fraction form
486,836.28/730,324.08 = 149,905.44/x - Step 3: Cross multiply
486,836.28x = 730,324.08 × 149,905.44 - Step 4: Simplify right side
486,836.28x = 109,479,552,555.00 - Step 5: Solve for x
x = 109,479,552,555.00/486,836.28 - Step 6: Final answer
x = 224,879.61
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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.