Finding the Fourth Proportional to 288,372.88, 397,955.40 and 161,053.28
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Solution
The fourth proportional to 288,372.88, 397,955.40 and 161,053.28 is: 222,253.99
Step by Step Solution
- Step 1: Write the proportion equation
288,372.88 : 397,955.40 = 161,053.28 : x - Step 2: Convert to fraction form
288,372.88/397,955.40 = 161,053.28/x - Step 3: Cross multiply
288,372.88x = 397,955.40 × 161,053.28 - Step 4: Simplify right side
288,372.88x = 64,092,022,463.71 - Step 5: Solve for x
x = 64,092,022,463.71/288,372.88 - Step 6: Final answer
x = 222,253.99
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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.