Finding the Fourth Proportional to 75,155.22, 112,720.65 and 22,555.44
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Solution
The fourth proportional to 75,155.22, 112,720.65 and 22,555.44 is: 33,829.50
Step by Step Solution
- Step 1: Write the proportion equation
75,155.22 : 112,720.65 = 22,555.44 : x - Step 2: Convert to fraction form
75,155.22/112,720.65 = 22,555.44/x - Step 3: Cross multiply
75,155.22x = 112,720.65 × 22,555.44 - Step 4: Simplify right side
75,155.22x = 2,542,463,857.84 - Step 5: Solve for x
x = 2,542,463,857.84/75,155.22 - Step 6: Final answer
x = 33,829.50
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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.