Finding the Fourth Proportional to 163,342.45, 244,685.61 and 74,473.71
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Solution
The fourth proportional to 163,342.45, 244,685.61 and 74,473.71 is: 111,560.99
Step by Step Solution
- Step 1: Write the proportion equation
163,342.45 : 244,685.61 = 74,473.71 : x - Step 2: Convert to fraction form
163,342.45/244,685.61 = 74,473.71/x - Step 3: Cross multiply
163,342.45x = 244,685.61 × 74,473.71 - Step 4: Simplify right side
163,342.45x = 18,222,645,160.31 - Step 5: Solve for x
x = 18,222,645,160.31/163,342.45 - Step 6: Final answer
x = 111,560.99
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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.