Finding the Fourth Proportional to 75,455.64, 113,195.18 and 22,852.60
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Solution
The fourth proportional to 75,455.64, 113,195.18 and 22,852.60 is: 34,282.45
Step by Step Solution
- Step 1: Write the proportion equation
75,455.64 : 113,195.18 = 22,852.60 : x - Step 2: Convert to fraction form
75,455.64/113,195.18 = 22,852.60/x - Step 3: Cross multiply
75,455.64x = 113,195.18 × 22,852.60 - Step 4: Simplify right side
75,455.64x = 2,586,804,170.47 - Step 5: Solve for x
x = 2,586,804,170.47/75,455.64 - Step 6: Final answer
x = 34,282.45
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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.