Finding the Fourth Proportional to 261,849.34, 361,352.34 and 148,672.09
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Solution
The fourth proportional to 261,849.34, 361,352.34 and 148,672.09 is: 205,167.63
Step by Step Solution
- Step 1: Write the proportion equation
261,849.34 : 361,352.34 = 148,672.09 : x - Step 2: Convert to fraction form
261,849.34/361,352.34 = 148,672.09/x - Step 3: Cross multiply
261,849.34x = 361,352.34 × 148,672.09 - Step 4: Simplify right side
261,849.34x = 53,723,007,614.19 - Step 5: Solve for x
x = 53,723,007,614.19/261,849.34 - Step 6: Final answer
x = 205,167.63
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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.