Finding the Fourth Proportional to 75,480.66, 113,217.30 and 22,170.42
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Solution
The fourth proportional to 75,480.66, 113,217.30 and 22,170.42 is: 33,254.55
Step by Step Solution
- Step 1: Write the proportion equation
75,480.66 : 113,217.30 = 22,170.42 : x - Step 2: Convert to fraction form
75,480.66/113,217.30 = 22,170.42/x - Step 3: Cross multiply
75,480.66x = 113,217.30 × 22,170.42 - Step 4: Simplify right side
75,480.66x = 2,510,075,092.27 - Step 5: Solve for x
x = 2,510,075,092.27/75,480.66 - Step 6: Final answer
x = 33,254.55
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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.