Finding the Fourth Proportional to 235,121.64, 352,695.80 and 75,211.62
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Solution
The fourth proportional to 235,121.64, 352,695.80 and 75,211.62 is: 112,821.70
Step by Step Solution
- Step 1: Write the proportion equation
235,121.64 : 352,695.80 = 75,211.62 : x - Step 2: Convert to fraction form
235,121.64/352,695.80 = 75,211.62/x - Step 3: Cross multiply
235,121.64x = 352,695.80 × 75,211.62 - Step 4: Simplify right side
235,121.64x = 26,526,822,485.20 - Step 5: Solve for x
x = 26,526,822,485.20/235,121.64 - Step 6: Final answer
x = 112,821.70
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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.