Finding the Fourth Proportional to 76,152.32, 114,240.64 and 26,220.08
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Solution
The fourth proportional to 76,152.32, 114,240.64 and 26,220.08 is: 39,334.31
Step by Step Solution
- Step 1: Write the proportion equation
76,152.32 : 114,240.64 = 26,220.08 : x - Step 2: Convert to fraction form
76,152.32/114,240.64 = 26,220.08/x - Step 3: Cross multiply
76,152.32x = 114,240.64 × 26,220.08 - Step 4: Simplify right side
76,152.32x = 2,995,398,720.05 - Step 5: Solve for x
x = 2,995,398,720.05/76,152.32 - Step 6: Final answer
x = 39,334.31
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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.