Finding the Fourth Proportional to 168,847.16, 234,074.63 and 159,858.68
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Solution
The fourth proportional to 168,847.16, 234,074.63 and 159,858.68 is: 221,613.80
Step by Step Solution
- Step 1: Write the proportion equation
168,847.16 : 234,074.63 = 159,858.68 : x - Step 2: Convert to fraction form
168,847.16/234,074.63 = 159,858.68/x - Step 3: Cross multiply
168,847.16x = 234,074.63 × 159,858.68 - Step 4: Simplify right side
168,847.16x = 37,418,861,373.29 - Step 5: Solve for x
x = 37,418,861,373.29/168,847.16 - Step 6: Final answer
x = 221,613.80
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.