Finding the Fourth Proportional to 180,403.62, 270,668.61 and 55,744.62
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Solution
The fourth proportional to 180,403.62, 270,668.61 and 55,744.62 is: 83,636.45
Step by Step Solution
- Step 1: Write the proportion equation
180,403.62 : 270,668.61 = 55,744.62 : x - Step 2: Convert to fraction form
180,403.62/270,668.61 = 55,744.62/x - Step 3: Cross multiply
180,403.62x = 270,668.61 × 55,744.62 - Step 4: Simplify right side
180,403.62x = 15,088,318,810.38 - Step 5: Solve for x
x = 15,088,318,810.38/180,403.62 - Step 6: Final answer
x = 83,636.45
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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.