Finding the Fourth Proportional to 498,342.18, 687,668.04 and 277,562.62
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Solution
The fourth proportional to 498,342.18, 687,668.04 and 277,562.62 is: 383,011.82
Step by Step Solution
- Step 1: Write the proportion equation
498,342.18 : 687,668.04 = 277,562.62 : x - Step 2: Convert to fraction form
498,342.18/687,668.04 = 277,562.62/x - Step 3: Cross multiply
498,342.18x = 687,668.04 × 277,562.62 - Step 4: Simplify right side
498,342.18x = 190,870,942,872.67 - Step 5: Solve for x
x = 190,870,942,872.67/498,342.18 - Step 6: Final answer
x = 383,011.82
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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.