Finding the Fourth Proportional to 273,605.20, 410,177.40 and 142,277.20
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Solution
The fourth proportional to 273,605.20, 410,177.40 and 142,277.20 is: 213,295.99
Step by Step Solution
- Step 1: Write the proportion equation
273,605.20 : 410,177.40 = 142,277.20 : x - Step 2: Convert to fraction form
273,605.20/410,177.40 = 142,277.20/x - Step 3: Cross multiply
273,605.20x = 410,177.40 × 142,277.20 - Step 4: Simplify right side
273,605.20x = 58,358,891,975.28 - Step 5: Solve for x
x = 58,358,891,975.28/273,605.20 - Step 6: Final answer
x = 213,295.99
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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.