Finding the Fourth Proportional to 77,716.75, 116,594.70 and 22,312.75
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Solution
The fourth proportional to 77,716.75, 116,594.70 and 22,312.75 is: 33,474.75
Step by Step Solution
- Step 1: Write the proportion equation
77,716.75 : 116,594.70 = 22,312.75 : x - Step 2: Convert to fraction form
77,716.75/116,594.70 = 22,312.75/x - Step 3: Cross multiply
77,716.75x = 116,594.70 × 22,312.75 - Step 4: Simplify right side
77,716.75x = 2,601,548,392.43 - Step 5: Solve for x
x = 2,601,548,392.43/77,716.75 - Step 6: Final answer
x = 33,474.75
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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.