Finding the Fourth Proportional to 372,761.20, 514,416.36 and 202,995.19
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Solution
The fourth proportional to 372,761.20, 514,416.36 and 202,995.19 is: 280,136.58
Step by Step Solution
- Step 1: Write the proportion equation
372,761.20 : 514,416.36 = 202,995.19 : x - Step 2: Convert to fraction form
372,761.20/514,416.36 = 202,995.19/x - Step 3: Cross multiply
372,761.20x = 514,416.36 × 202,995.19 - Step 4: Simplify right side
372,761.20x = 104,424,046,737.31 - Step 5: Solve for x
x = 104,424,046,737.31/372,761.20 - Step 6: Final answer
x = 280,136.58
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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.