Finding the Fourth Proportional to 115,375.08, 159,217.74 and 65,074.08
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Solution
The fourth proportional to 115,375.08, 159,217.74 and 65,074.08 is: 89,802.30
Step by Step Solution
- Step 1: Write the proportion equation
115,375.08 : 159,217.74 = 65,074.08 : x - Step 2: Convert to fraction form
115,375.08/159,217.74 = 65,074.08/x - Step 3: Cross multiply
115,375.08x = 159,217.74 × 65,074.08 - Step 4: Simplify right side
115,375.08x = 10,360,947,950.18 - Step 5: Solve for x
x = 10,360,947,950.18/115,375.08 - Step 6: Final answer
x = 89,802.30
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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.