Finding the Fourth Proportional to 159,866.87, 220,613.63 and 88,245.05
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Solution
The fourth proportional to 159,866.87, 220,613.63 and 88,245.05 is: 121,776.70
Step by Step Solution
- Step 1: Write the proportion equation
159,866.87 : 220,613.63 = 88,245.05 : x - Step 2: Convert to fraction form
159,866.87/220,613.63 = 88,245.05/x - Step 3: Cross multiply
159,866.87x = 220,613.63 × 88,245.05 - Step 4: Simplify right side
159,866.87x = 19,468,059,265.74 - Step 5: Solve for x
x = 19,468,059,265.74/159,866.87 - Step 6: Final answer
x = 121,776.70
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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.