Finding the Fourth Proportional to 288,724.42, 433,160.43 and 120,188.71
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Solution
The fourth proportional to 288,724.42, 433,160.43 and 120,188.71 is: 180,313.79
Step by Step Solution
- Step 1: Write the proportion equation
288,724.42 : 433,160.43 = 120,188.71 : x - Step 2: Convert to fraction form
288,724.42/433,160.43 = 120,188.71/x - Step 3: Cross multiply
288,724.42x = 433,160.43 × 120,188.71 - Step 4: Simplify right side
288,724.42x = 52,060,993,304.75 - Step 5: Solve for x
x = 52,060,993,304.75/288,724.42 - Step 6: Final answer
x = 180,313.79
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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.