Finding the Fourth Proportional to 220,400.18, 330,622.14 and 87,372.26
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Solution
The fourth proportional to 220,400.18, 330,622.14 and 87,372.26 is: 131,067.06
Step by Step Solution
- Step 1: Write the proportion equation
220,400.18 : 330,622.14 = 87,372.26 : x - Step 2: Convert to fraction form
220,400.18/330,622.14 = 87,372.26/x - Step 3: Cross multiply
220,400.18x = 330,622.14 × 87,372.26 - Step 4: Simplify right side
220,400.18x = 28,887,203,577.84 - Step 5: Solve for x
x = 28,887,203,577.84/220,400.18 - Step 6: Final answer
x = 131,067.06
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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.