Finding the Fourth Proportional to 605,242.17, 835,236.72 and 347,129.10
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Solution
The fourth proportional to 605,242.17, 835,236.72 and 347,129.10 is: 479,039.61
Step by Step Solution
- Step 1: Write the proportion equation
605,242.17 : 835,236.72 = 347,129.10 : x - Step 2: Convert to fraction form
605,242.17/835,236.72 = 347,129.10/x - Step 3: Cross multiply
605,242.17x = 835,236.72 × 347,129.10 - Step 4: Simplify right side
605,242.17x = 289,934,970,900.55 - Step 5: Solve for x
x = 289,934,970,900.55/605,242.17 - Step 6: Final answer
x = 479,039.61
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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.