Finding the Fourth Proportional to 237,616.20, 356,490.36 and 193,132.80
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Solution
The fourth proportional to 237,616.20, 356,490.36 and 193,132.80 is: 289,752.89
Step by Step Solution
- Step 1: Write the proportion equation
237,616.20 : 356,490.36 = 193,132.80 : x - Step 2: Convert to fraction form
237,616.20/356,490.36 = 193,132.80/x - Step 3: Cross multiply
237,616.20x = 356,490.36 × 193,132.80 - Step 4: Simplify right side
237,616.20x = 68,849,981,399.81 - Step 5: Solve for x
x = 68,849,981,399.81/237,616.20 - Step 6: Final answer
x = 289,752.89
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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.