Finding the Fourth Proportional to 319,175.03, 440,453.14 and 175,935.65
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Solution
The fourth proportional to 319,175.03, 440,453.14 and 175,935.65 is: 242,786.56
Step by Step Solution
- Step 1: Write the proportion equation
319,175.03 : 440,453.14 = 175,935.65 : x - Step 2: Convert to fraction form
319,175.03/440,453.14 = 175,935.65/x - Step 3: Cross multiply
319,175.03x = 440,453.14 × 175,935.65 - Step 4: Simplify right side
319,175.03x = 77,491,407,827.97 - Step 5: Solve for x
x = 77,491,407,827.97/319,175.03 - Step 6: Final answer
x = 242,786.56
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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.