Finding the Fourth Proportional to 76,224.62, 114,407.12 and 38,811.44
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Solution
The fourth proportional to 76,224.62, 114,407.12 and 38,811.44 is: 58,252.90
Step by Step Solution
- Step 1: Write the proportion equation
76,224.62 : 114,407.12 = 38,811.44 : x - Step 2: Convert to fraction form
76,224.62/114,407.12 = 38,811.44/x - Step 3: Cross multiply
76,224.62x = 114,407.12 × 38,811.44 - Step 4: Simplify right side
76,224.62x = 4,440,305,073.45 - Step 5: Solve for x
x = 4,440,305,073.45/76,224.62 - Step 6: Final answer
x = 58,252.90
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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.