Finding the Fourth Proportional to 115,274.75, 159,079.16 and 62,282.75
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Solution
The fourth proportional to 115,274.75, 159,079.16 and 62,282.75 is: 85,950.20
Step by Step Solution
- Step 1: Write the proportion equation
115,274.75 : 159,079.16 = 62,282.75 : x - Step 2: Convert to fraction form
115,274.75/159,079.16 = 62,282.75/x - Step 3: Cross multiply
115,274.75x = 159,079.16 × 62,282.75 - Step 4: Simplify right side
115,274.75x = 9,907,887,241.08 - Step 5: Solve for x
x = 9,907,887,241.08/115,274.75 - Step 6: Final answer
x = 85,950.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.