Finding the Fourth Proportional to 331,910.87, 498,332.09 and 169,920.62
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Solution
The fourth proportional to 331,910.87, 498,332.09 and 169,920.62 is: 255,119.38
Step by Step Solution
- Step 1: Write the proportion equation
331,910.87 : 498,332.09 = 169,920.62 : x - Step 2: Convert to fraction form
331,910.87/498,332.09 = 169,920.62/x - Step 3: Cross multiply
331,910.87x = 498,332.09 × 169,920.62 - Step 4: Simplify right side
331,910.87x = 84,676,895,621.12 - Step 5: Solve for x
x = 84,676,895,621.12/331,910.87 - Step 6: Final answer
x = 255,119.38
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1.5x scale
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.