Finding the Fourth Proportional to 251,863.56, 377,706.42 and 74,323.08
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Solution
The fourth proportional to 251,863.56, 377,706.42 and 74,323.08 is: 111,458.38
Step by Step Solution
- Step 1: Write the proportion equation
251,863.56 : 377,706.42 = 74,323.08 : x - Step 2: Convert to fraction form
251,863.56/377,706.42 = 74,323.08/x - Step 3: Cross multiply
251,863.56x = 377,706.42 × 74,323.08 - Step 4: Simplify right side
251,863.56x = 28,072,304,470.17 - Step 5: Solve for x
x = 28,072,304,470.17/251,863.56 - Step 6: Final answer
x = 111,458.38
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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.