Finding the Fourth Proportional to 159,734.20, 220,430.46 and 88,121.08
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Solution
The fourth proportional to 159,734.20, 220,430.46 and 88,121.08 is: 121,605.58
Step by Step Solution
- Step 1: Write the proportion equation
159,734.20 : 220,430.46 = 88,121.08 : x - Step 2: Convert to fraction form
159,734.20/220,430.46 = 88,121.08/x - Step 3: Cross multiply
159,734.20x = 220,430.46 × 88,121.08 - Step 4: Simplify right side
159,734.20x = 19,424,570,200.10 - Step 5: Solve for x
x = 19,424,570,200.10/159,734.20 - Step 6: Final answer
x = 121,605.58
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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.