Finding the Fourth Proportional to 319,718.88, 441,203.68 and 176,475.84
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Solution
The fourth proportional to 319,718.88, 441,203.68 and 176,475.84 is: 243,532.04
Step by Step Solution
- Step 1: Write the proportion equation
319,718.88 : 441,203.68 = 176,475.84 : x - Step 2: Convert to fraction form
319,718.88/441,203.68 = 176,475.84/x - Step 3: Cross multiply
319,718.88x = 441,203.68 × 176,475.84 - Step 4: Simplify right side
319,718.88x = 77,861,790,039.09 - Step 5: Solve for x
x = 77,861,790,039.09/319,718.88 - Step 6: Final answer
x = 243,532.04
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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.