Finding the Fourth Proportional to 355,713.52, 533,571.18 and 145,351.42
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Solution
The fourth proportional to 355,713.52, 533,571.18 and 145,351.42 is: 218,027.50
Step by Step Solution
- Step 1: Write the proportion equation
355,713.52 : 533,571.18 = 145,351.42 : x - Step 2: Convert to fraction form
355,713.52/533,571.18 = 145,351.42/x - Step 3: Cross multiply
355,713.52x = 533,571.18 × 145,351.42 - Step 4: Simplify right side
355,713.52x = 77,555,328,684.08 - Step 5: Solve for x
x = 77,555,328,684.08/355,713.52 - Step 6: Final answer
x = 218,027.50
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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.