Finding the Fourth Proportional to 466,989.30, 644,418.99 and 276,020.46
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Solution
The fourth proportional to 466,989.30, 644,418.99 and 276,020.46 is: 380,892.72
Step by Step Solution
- Step 1: Write the proportion equation
466,989.30 : 644,418.99 = 276,020.46 : x - Step 2: Convert to fraction form
466,989.30/644,418.99 = 276,020.46/x - Step 3: Cross multiply
466,989.30x = 644,418.99 × 276,020.46 - Step 4: Simplify right side
466,989.30x = 177,872,826,052.54 - Step 5: Solve for x
x = 177,872,826,052.54/466,989.30 - Step 6: Final answer
x = 380,892.72
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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.