Finding the Fourth Proportional to 207,519.27, 286,396.97 and 121,473.07
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Solution
The fourth proportional to 207,519.27, 286,396.97 and 121,473.07 is: 167,644.76
Step by Step Solution
- Step 1: Write the proportion equation
207,519.27 : 286,396.97 = 121,473.07 : x - Step 2: Convert to fraction form
207,519.27/286,396.97 = 121,473.07/x - Step 3: Cross multiply
207,519.27x = 286,396.97 × 121,473.07 - Step 4: Simplify right side
207,519.27x = 34,789,519,184.60 - Step 5: Solve for x
x = 34,789,519,184.60/207,519.27 - Step 6: Final answer
x = 167,644.76
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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.