Finding the Fourth Proportional to 326,767.41, 490,151.49 and 102,129.02
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Solution
The fourth proportional to 326,767.41, 490,151.49 and 102,129.02 is: 153,193.64
Step by Step Solution
- Step 1: Write the proportion equation
326,767.41 : 490,151.49 = 102,129.02 : x - Step 2: Convert to fraction form
326,767.41/490,151.49 = 102,129.02/x - Step 3: Cross multiply
326,767.41x = 490,151.49 × 102,129.02 - Step 4: Simplify right side
326,767.41x = 50,058,688,874.48 - Step 5: Solve for x
x = 50,058,688,874.48/326,767.41 - Step 6: Final answer
x = 153,193.64
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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.