Finding the Fourth Proportional to 72,232.36, 108,229.97 and 69,463.98
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Solution
The fourth proportional to 72,232.36, 108,229.97 and 69,463.98 is: 104,081.95
Step by Step Solution
- Step 1: Write the proportion equation
72,232.36 : 108,229.97 = 69,463.98 : x - Step 2: Convert to fraction form
72,232.36/108,229.97 = 69,463.98/x - Step 3: Cross multiply
72,232.36x = 108,229.97 × 69,463.98 - Step 4: Simplify right side
72,232.36x = 7,518,084,645.14 - Step 5: Solve for x
x = 7,518,084,645.14/72,232.36 - Step 6: Final answer
x = 104,081.95
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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.