Finding the Fourth Proportional to 158,350.60, 218,523.18 and 86,735.08
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Solution
The fourth proportional to 158,350.60, 218,523.18 and 86,735.08 is: 119,694.06
Step by Step Solution
- Step 1: Write the proportion equation
158,350.60 : 218,523.18 = 86,735.08 : x - Step 2: Convert to fraction form
158,350.60/218,523.18 = 86,735.08/x - Step 3: Cross multiply
158,350.60x = 218,523.18 × 86,735.08 - Step 4: Simplify right side
158,350.60x = 18,953,625,499.15 - Step 5: Solve for x
x = 18,953,625,499.15/158,350.60 - Step 6: Final answer
x = 119,694.06
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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.