Finding the Fourth Proportional to 226,476.20, 339,713.08 and 57,996.20
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Solution
The fourth proportional to 226,476.20, 339,713.08 and 57,996.20 is: 86,993.99
Step by Step Solution
- Step 1: Write the proportion equation
226,476.20 : 339,713.08 = 57,996.20 : x - Step 2: Convert to fraction form
226,476.20/339,713.08 = 57,996.20/x - Step 3: Cross multiply
226,476.20x = 339,713.08 × 57,996.20 - Step 4: Simplify right side
226,476.20x = 19,702,067,730.30 - Step 5: Solve for x
x = 19,702,067,730.30/226,476.20 - Step 6: Final answer
x = 86,993.99
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1.5x scale
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.