Finding the Fourth Proportional to 207,240.19, 285,991.46 and 117,816.19
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Solution
The fourth proportional to 207,240.19, 285,991.46 and 117,816.19 is: 162,586.34
Step by Step Solution
- Step 1: Write the proportion equation
207,240.19 : 285,991.46 = 117,816.19 : x - Step 2: Convert to fraction form
207,240.19/285,991.46 = 117,816.19/x - Step 3: Cross multiply
207,240.19x = 285,991.46 × 117,816.19 - Step 4: Simplify right side
207,240.19x = 33,694,423,327.49 - Step 5: Solve for x
x = 33,694,423,327.49/207,240.19 - Step 6: Final answer
x = 162,586.34
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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.