Finding the Fourth Proportional to 226,670.24, 312,817.39 and 131,207.69
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Solution
The fourth proportional to 226,670.24, 312,817.39 and 131,207.69 is: 181,073.82
Step by Step Solution
- Step 1: Write the proportion equation
226,670.24 : 312,817.39 = 131,207.69 : x - Step 2: Convert to fraction form
226,670.24/312,817.39 = 131,207.69/x - Step 3: Cross multiply
226,670.24x = 312,817.39 × 131,207.69 - Step 4: Simplify right side
226,670.24x = 41,044,047,587.75 - Step 5: Solve for x
x = 41,044,047,587.75/226,670.24 - Step 6: Final answer
x = 181,073.82
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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.