Finding the Fourth Proportional to 247,703.70, 371,295.81 and 121,169.28
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Solution
The fourth proportional to 247,703.70, 371,295.81 and 121,169.28 is: 181,626.86
Step by Step Solution
- Step 1: Write the proportion equation
247,703.70 : 371,295.81 = 121,169.28 : x - Step 2: Convert to fraction form
247,703.70/371,295.81 = 121,169.28/x - Step 3: Cross multiply
247,703.70x = 371,295.81 × 121,169.28 - Step 4: Simplify right side
247,703.70x = 44,989,645,964.72 - Step 5: Solve for x
x = 44,989,645,964.72/247,703.70 - Step 6: Final answer
x = 181,626.86
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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.