Finding the Fourth Proportional to 494,234.19, 682,035.80 and 279,366.71
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Solution
The fourth proportional to 494,234.19, 682,035.80 and 279,366.71 is: 385,521.88
Step by Step Solution
- Step 1: Write the proportion equation
494,234.19 : 682,035.80 = 279,366.71 : x - Step 2: Convert to fraction form
494,234.19/682,035.80 = 279,366.71/x - Step 3: Cross multiply
494,234.19x = 682,035.80 × 279,366.71 - Step 4: Simplify right side
494,234.19x = 190,538,092,741.21 - Step 5: Solve for x
x = 190,538,092,741.21/494,234.19 - Step 6: Final answer
x = 385,521.88
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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.