Finding the Fourth Proportional to 288,259.57, 397,796.70 and 160,935.17
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Solution
The fourth proportional to 288,259.57, 397,796.70 and 160,935.17 is: 222,089.70
Step by Step Solution
- Step 1: Write the proportion equation
288,259.57 : 397,796.70 = 160,935.17 : x - Step 2: Convert to fraction form
288,259.57/397,796.70 = 160,935.17/x - Step 3: Cross multiply
288,259.57x = 397,796.70 × 160,935.17 - Step 4: Simplify right side
288,259.57x = 64,019,479,539.94 - Step 5: Solve for x
x = 64,019,479,539.94/288,259.57 - Step 6: Final answer
x = 222,089.70
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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.