Finding the Fourth Proportional to 319,694.40, 441,146.82 and 176,445.18
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Solution
The fourth proportional to 319,694.40, 441,146.82 and 176,445.18 is: 243,476.99
Step by Step Solution
- Step 1: Write the proportion equation
319,694.40 : 441,146.82 = 176,445.18 : x - Step 2: Convert to fraction form
319,694.40/441,146.82 = 176,445.18/x - Step 3: Cross multiply
319,694.40x = 441,146.82 × 176,445.18 - Step 4: Simplify right side
319,694.40x = 77,838,230,061.33 - Step 5: Solve for x
x = 77,838,230,061.33/319,694.40 - Step 6: Final answer
x = 243,476.99
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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.