Finding the Fourth Proportional to 486,439.83, 730,108.26 and 246,721.95
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Solution
The fourth proportional to 486,439.83, 730,108.26 and 246,721.95 is: 370,310.41
Step by Step Solution
- Step 1: Write the proportion equation
486,439.83 : 730,108.26 = 246,721.95 : x - Step 2: Convert to fraction form
486,439.83/730,108.26 = 246,721.95/x - Step 3: Cross multiply
486,439.83x = 730,108.26 × 246,721.95 - Step 4: Simplify right side
486,439.83x = 180,133,733,618.31 - Step 5: Solve for x
x = 180,133,733,618.31/486,439.83 - Step 6: Final answer
x = 370,310.41
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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.