Finding the Fourth Proportional to 289,853.12, 399,827.84 and 182,252.80
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Solution
The fourth proportional to 289,853.12, 399,827.84 and 182,252.80 is: 251,402.31
Step by Step Solution
- Step 1: Write the proportion equation
289,853.12 : 399,827.84 = 182,252.80 : x - Step 2: Convert to fraction form
289,853.12/399,827.84 = 182,252.80/x - Step 3: Cross multiply
289,853.12x = 399,827.84 × 182,252.80 - Step 4: Simplify right side
289,853.12x = 72,869,743,357.95 - Step 5: Solve for x
x = 72,869,743,357.95/289,853.12 - Step 6: Final answer
x = 251,402.31
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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.