Finding the Fourth Proportional to 319,304.43, 440,630.69 and 176,064.44
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Solution
The fourth proportional to 319,304.43, 440,630.69 and 176,064.44 is: 242,963.72
Step by Step Solution
- Step 1: Write the proportion equation
319,304.43 : 440,630.69 = 176,064.44 : x - Step 2: Convert to fraction form
319,304.43/440,630.69 = 176,064.44/x - Step 3: Cross multiply
319,304.43x = 440,630.69 × 176,064.44 - Step 4: Simplify right side
319,304.43x = 77,579,392,598.19 - Step 5: Solve for x
x = 77,579,392,598.19/319,304.43 - Step 6: Final answer
x = 242,963.72
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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.