Finding the Fourth Proportional to 322,628.61, 445,232.63 and 177,440.75
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Solution
The fourth proportional to 322,628.61, 445,232.63 and 177,440.75 is: 244,871.07
Step by Step Solution
- Step 1: Write the proportion equation
322,628.61 : 445,232.63 = 177,440.75 : x - Step 2: Convert to fraction form
322,628.61/445,232.63 = 177,440.75/x - Step 3: Cross multiply
322,628.61x = 445,232.63 × 177,440.75 - Step 4: Simplify right side
322,628.61x = 79,002,412,682.95 - Step 5: Solve for x
x = 79,002,412,682.95/322,628.61 - Step 6: Final answer
x = 244,871.07
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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.