Finding the Fourth Proportional to 226,679.59, 312,813.48 and 124,699.09
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Solution
The fourth proportional to 226,679.59, 312,813.48 and 124,699.09 is: 172,082.35
Step by Step Solution
- Step 1: Write the proportion equation
226,679.59 : 312,813.48 = 124,699.09 : x - Step 2: Convert to fraction form
226,679.59/312,813.48 = 124,699.09/x - Step 3: Cross multiply
226,679.59x = 312,813.48 × 124,699.09 - Step 4: Simplify right side
226,679.59x = 39,007,556,295.73 - Step 5: Solve for x
x = 39,007,556,295.73/226,679.59 - Step 6: Final answer
x = 172,082.35
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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.