Finding the Fourth Proportional to 76,149.21, 114,224.05 and 26,228.66
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Solution
The fourth proportional to 76,149.21, 114,224.05 and 26,228.66 is: 39,343.07
Step by Step Solution
- Step 1: Write the proportion equation
76,149.21 : 114,224.05 = 26,228.66 : x - Step 2: Convert to fraction form
76,149.21/114,224.05 = 26,228.66/x - Step 3: Cross multiply
76,149.21x = 114,224.05 × 26,228.66 - Step 4: Simplify right side
76,149.21x = 2,995,943,801.68 - Step 5: Solve for x
x = 2,995,943,801.68/76,149.21 - Step 6: Final answer
x = 39,343.07
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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.