Finding the Fourth Proportional to 226,578.75, 312,678.68 and 124,606.05
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Solution
The fourth proportional to 226,578.75, 312,678.68 and 124,606.05 is: 171,956.35
Step by Step Solution
- Step 1: Write the proportion equation
226,578.75 : 312,678.68 = 124,606.05 : x - Step 2: Convert to fraction form
226,578.75/312,678.68 = 124,606.05/x - Step 3: Cross multiply
226,578.75x = 312,678.68 × 124,606.05 - Step 4: Simplify right side
226,578.75x = 38,961,654,610.98 - Step 5: Solve for x
x = 38,961,654,610.98/226,578.75 - Step 6: Final answer
x = 171,956.35
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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.