Finding the Fourth Proportional to 326,901.97, 490,381.17 and 90,244.69
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Solution
The fourth proportional to 326,901.97, 490,381.17 and 90,244.69 is: 135,374.82
Step by Step Solution
- Step 1: Write the proportion equation
326,901.97 : 490,381.17 = 90,244.69 : x - Step 2: Convert to fraction form
326,901.97/490,381.17 = 90,244.69/x - Step 3: Cross multiply
326,901.97x = 490,381.17 × 90,244.69 - Step 4: Simplify right side
326,901.97x = 44,254,296,668.49 - Step 5: Solve for x
x = 44,254,296,668.49/326,901.97 - Step 6: Final answer
x = 135,374.82
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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.