Finding the Fourth Proportional to 75,629.30, 113,417.50 and 22,307.13
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Solution
The fourth proportional to 75,629.30, 113,417.50 and 22,307.13 is: 33,452.89
Step by Step Solution
- Step 1: Write the proportion equation
75,629.30 : 113,417.50 = 22,307.13 : x - Step 2: Convert to fraction form
75,629.30/113,417.50 = 22,307.13/x - Step 3: Cross multiply
75,629.30x = 113,417.50 × 22,307.13 - Step 4: Simplify right side
75,629.30x = 2,530,018,805.24 - Step 5: Solve for x
x = 2,530,018,805.24/75,629.30 - Step 6: Final answer
x = 33,452.89
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1.5x scale
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.