Finding the Fourth Proportional to 605,687.92, 835,849.36 and 351,186.74
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Solution
The fourth proportional to 605,687.92, 835,849.36 and 351,186.74 is: 484,637.72
Step by Step Solution
- Step 1: Write the proportion equation
605,687.92 : 835,849.36 = 351,186.74 : x - Step 2: Convert to fraction form
605,687.92/835,849.36 = 351,186.74/x - Step 3: Cross multiply
605,687.92x = 835,849.36 × 351,186.74 - Step 4: Simplify right side
605,687.92x = 293,539,211,869.49 - Step 5: Solve for x
x = 293,539,211,869.49/605,687.92 - Step 6: Final answer
x = 484,637.72
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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.