Finding the Fourth Proportional to 288,164.52, 432,252.99 and 74,940.66
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Solution
The fourth proportional to 288,164.52, 432,252.99 and 74,940.66 is: 112,412.60
Step by Step Solution
- Step 1: Write the proportion equation
288,164.52 : 432,252.99 = 74,940.66 : x - Step 2: Convert to fraction form
288,164.52/432,252.99 = 74,940.66/x - Step 3: Cross multiply
288,164.52x = 432,252.99 × 74,940.66 - Step 4: Simplify right side
288,164.52x = 32,393,324,357.57 - Step 5: Solve for x
x = 32,393,324,357.57/288,164.52 - Step 6: Final answer
x = 112,412.60
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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.