Finding the Fourth Proportional to 294,689.36, 442,343.19 and 261,169.80
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Solution
The fourth proportional to 294,689.36, 442,343.19 and 261,169.80 is: 392,028.69
Step by Step Solution
- Step 1: Write the proportion equation
294,689.36 : 442,343.19 = 261,169.80 : x - Step 2: Convert to fraction form
294,689.36/442,343.19 = 261,169.80/x - Step 3: Cross multiply
294,689.36x = 442,343.19 × 261,169.80 - Step 4: Simplify right side
294,689.36x = 115,526,682,463.66 - Step 5: Solve for x
x = 115,526,682,463.66/294,689.36 - Step 6: Final answer
x = 392,028.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.