Finding the Fourth Proportional to 136,335.29, 204,530.58 and 57,449.48
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Solution
The fourth proportional to 136,335.29, 204,530.58 and 57,449.48 is: 86,185.87
Step by Step Solution
- Step 1: Write the proportion equation
136,335.29 : 204,530.58 = 57,449.48 : x - Step 2: Convert to fraction form
136,335.29/204,530.58 = 57,449.48/x - Step 3: Cross multiply
136,335.29x = 204,530.58 × 57,449.48 - Step 4: Simplify right side
136,335.29x = 11,750,175,465.10 - Step 5: Solve for x
x = 11,750,175,465.10/136,335.29 - Step 6: Final answer
x = 86,185.87
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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.