Finding the Fourth Proportional to 202,380.13, 303,584.93 and 77,721.13
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Solution
The fourth proportional to 202,380.13, 303,584.93 and 77,721.13 is: 116,587.35
Step by Step Solution
- Step 1: Write the proportion equation
202,380.13 : 303,584.93 = 77,721.13 : x - Step 2: Convert to fraction form
202,380.13/303,584.93 = 77,721.13/x - Step 3: Cross multiply
202,380.13x = 303,584.93 × 77,721.13 - Step 4: Simplify right side
202,380.13x = 23,594,963,810.57 - Step 5: Solve for x
x = 23,594,963,810.57/202,380.13 - Step 6: Final answer
x = 116,587.35
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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.