Finding the Fourth Proportional to 79,245.24, 118,913.64 and 29,360.28
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Solution
The fourth proportional to 79,245.24, 118,913.64 and 29,360.28 is: 44,057.38
Step by Step Solution
- Step 1: Write the proportion equation
79,245.24 : 118,913.64 = 29,360.28 : x - Step 2: Convert to fraction form
79,245.24/118,913.64 = 29,360.28/x - Step 3: Cross multiply
79,245.24x = 118,913.64 × 29,360.28 - Step 4: Simplify right side
79,245.24x = 3,491,337,766.22 - Step 5: Solve for x
x = 3,491,337,766.22/79,245.24 - Step 6: Final answer
x = 44,057.38
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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.