Finding the Fourth Proportional to 331,569.20, 497,232.30 and 106,988.60
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Solution
The fourth proportional to 331,569.20, 497,232.30 and 106,988.60 is: 160,443.70
Step by Step Solution
- Step 1: Write the proportion equation
331,569.20 : 497,232.30 = 106,988.60 : x - Step 2: Convert to fraction form
331,569.20/497,232.30 = 106,988.60/x - Step 3: Cross multiply
331,569.20x = 497,232.30 × 106,988.60 - Step 4: Simplify right side
331,569.20x = 53,198,187,651.78 - Step 5: Solve for x
x = 53,198,187,651.78/331,569.20 - Step 6: Final answer
x = 160,443.70
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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.