Finding the Fourth Proportional to 226,349.12, 312,371.64 and 125,747.12
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Solution
The fourth proportional to 226,349.12, 312,371.64 and 125,747.12 is: 173,536.50
Step by Step Solution
- Step 1: Write the proportion equation
226,349.12 : 312,371.64 = 125,747.12 : x - Step 2: Convert to fraction form
226,349.12/312,371.64 = 125,747.12/x - Step 3: Cross multiply
226,349.12x = 312,371.64 × 125,747.12 - Step 4: Simplify right side
226,349.12x = 39,279,834,099.68 - Step 5: Solve for x
x = 39,279,834,099.68/226,349.12 - Step 6: Final answer
x = 173,536.50
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1.5x scale
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.