Finding the Fourth Proportional to 319,713.62, 441,204.82 and 176,473.70
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Solution
The fourth proportional to 319,713.62, 441,204.82 and 176,473.70 is: 243,533.72
Step by Step Solution
- Step 1: Write the proportion equation
319,713.62 : 441,204.82 = 176,473.70 : x - Step 2: Convert to fraction form
319,713.62/441,204.82 = 176,473.70/x - Step 3: Cross multiply
319,713.62x = 441,204.82 × 176,473.70 - Step 4: Simplify right side
319,713.62x = 77,861,047,043.23 - Step 5: Solve for x
x = 77,861,047,043.23/319,713.62 - Step 6: Final answer
x = 243,533.72
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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.