Finding the Fourth Proportional to 442,729.80, 610,793.46 and 272,668.68
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Solution
The fourth proportional to 442,729.80, 610,793.46 and 272,668.68 is: 376,175.82
Step by Step Solution
- Step 1: Write the proportion equation
442,729.80 : 610,793.46 = 272,668.68 : x - Step 2: Convert to fraction form
442,729.80/610,793.46 = 272,668.68/x - Step 3: Cross multiply
442,729.80x = 610,793.46 × 272,668.68 - Step 4: Simplify right side
442,729.80x = 166,544,246,490.83 - Step 5: Solve for x
x = 166,544,246,490.83/442,729.80 - Step 6: Final answer
x = 376,175.82
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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.