Finding the Fourth Proportional to 226,213.74, 339,317.10 and 55,437.12
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Solution
The fourth proportional to 226,213.74, 339,317.10 and 55,437.12 is: 83,154.82
Step by Step Solution
- Step 1: Write the proportion equation
226,213.74 : 339,317.10 = 55,437.12 : x - Step 2: Convert to fraction form
226,213.74/339,317.10 = 55,437.12/x - Step 3: Cross multiply
226,213.74x = 339,317.10 × 55,437.12 - Step 4: Simplify right side
226,213.74x = 18,810,762,790.75 - Step 5: Solve for x
x = 18,810,762,790.75/226,213.74 - Step 6: Final answer
x = 83,154.82
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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.