Finding the Fourth Proportional to 232,135.20, 320,414.74 and 151,574.79
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Solution
The fourth proportional to 232,135.20, 320,414.74 and 151,574.79 is: 209,217.72
Step by Step Solution
- Step 1: Write the proportion equation
232,135.20 : 320,414.74 = 151,574.79 : x - Step 2: Convert to fraction form
232,135.20/320,414.74 = 151,574.79/x - Step 3: Cross multiply
232,135.20x = 320,414.74 × 151,574.79 - Step 4: Simplify right side
232,135.20x = 48,566,797,751.02 - Step 5: Solve for x
x = 48,566,797,751.02/232,135.20 - Step 6: Final answer
x = 209,217.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.