Finding the Fourth Proportional to 207,549.17, 311,323.99 and 57,789.79
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Solution
The fourth proportional to 207,549.17, 311,323.99 and 57,789.79 is: 86,684.75
Step by Step Solution
- Step 1: Write the proportion equation
207,549.17 : 311,323.99 = 57,789.79 : x - Step 2: Convert to fraction form
207,549.17/311,323.99 = 57,789.79/x - Step 3: Cross multiply
207,549.17x = 311,323.99 × 57,789.79 - Step 4: Simplify right side
207,549.17x = 17,991,348,004.06 - Step 5: Solve for x
x = 17,991,348,004.06/207,549.17 - Step 6: Final answer
x = 86,684.75
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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.