Finding the Fourth Proportional to 361,881.28, 543,670.22 and 341,431.75
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Solution
The fourth proportional to 361,881.28, 543,670.22 and 341,431.75 is: 512,947.99
Step by Step Solution
- Step 1: Write the proportion equation
361,881.28 : 543,670.22 = 341,431.75 : x - Step 2: Convert to fraction form
361,881.28/543,670.22 = 341,431.75/x - Step 3: Cross multiply
361,881.28x = 543,670.22 × 341,431.75 - Step 4: Simplify right side
361,881.28x = 185,626,274,637.49 - Step 5: Solve for x
x = 185,626,274,637.49/361,881.28 - Step 6: Final answer
x = 512,947.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.