Finding the Fourth Proportional to 372,957.18, 514,690.92 and 203,202.24
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Solution
The fourth proportional to 372,957.18, 514,690.92 and 203,202.24 is: 280,424.55
Step by Step Solution
- Step 1: Write the proportion equation
372,957.18 : 514,690.92 = 203,202.24 : x - Step 2: Convert to fraction form
372,957.18/514,690.92 = 203,202.24/x - Step 3: Cross multiply
372,957.18x = 514,690.92 × 203,202.24 - Step 4: Simplify right side
372,957.18x = 104,586,347,851.66 - Step 5: Solve for x
x = 104,586,347,851.66/372,957.18 - Step 6: Final answer
x = 280,424.55
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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.