Finding the Fourth Proportional to 319,398.24, 479,121.76 and 186,291.84
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Solution
The fourth proportional to 319,398.24, 479,121.76 and 186,291.84 is: 279,451.99
Step by Step Solution
- Step 1: Write the proportion equation
319,398.24 : 479,121.76 = 186,291.84 : x - Step 2: Convert to fraction form
319,398.24/479,121.76 = 186,291.84/x - Step 3: Cross multiply
319,398.24x = 479,121.76 × 186,291.84 - Step 4: Simplify right side
319,398.24x = 89,256,474,254.44 - Step 5: Solve for x
x = 89,256,474,254.44/319,398.24 - Step 6: Final answer
x = 279,451.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.