Finding the Fourth Proportional to 207,247.75, 286,001.90 and 117,823.75
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Solution
The fourth proportional to 207,247.75, 286,001.90 and 117,823.75 is: 162,596.78
Step by Step Solution
- Step 1: Write the proportion equation
207,247.75 : 286,001.90 = 117,823.75 : x - Step 2: Convert to fraction form
207,247.75/286,001.90 = 117,823.75/x - Step 3: Cross multiply
207,247.75x = 286,001.90 × 117,823.75 - Step 4: Simplify right side
207,247.75x = 33,697,816,365.13 - Step 5: Solve for x
x = 33,697,816,365.13/207,247.75 - Step 6: Final answer
x = 162,596.78
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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.