Finding the Fourth Proportional to 319,580.64, 440,959.68 and 192,264.44
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Solution
The fourth proportional to 319,580.64, 440,959.68 and 192,264.44 is: 265,287.86
Step by Step Solution
- Step 1: Write the proportion equation
319,580.64 : 440,959.68 = 192,264.44 : x - Step 2: Convert to fraction form
319,580.64/440,959.68 = 192,264.44/x - Step 3: Cross multiply
319,580.64x = 440,959.68 × 192,264.44 - Step 4: Simplify right side
319,580.64x = 84,780,863,732.98 - Step 5: Solve for x
x = 84,780,863,732.98/319,580.64 - Step 6: Final answer
x = 265,287.86
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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.