Finding the Fourth Proportional to 207,251.83, 285,987.11 and 116,605.79
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Solution
The fourth proportional to 207,251.83, 285,987.11 and 116,605.79 is: 160,904.50
Step by Step Solution
- Step 1: Write the proportion equation
207,251.83 : 285,987.11 = 116,605.79 : x - Step 2: Convert to fraction form
207,251.83/285,987.11 = 116,605.79/x - Step 3: Cross multiply
207,251.83x = 285,987.11 × 116,605.79 - Step 4: Simplify right side
207,251.83x = 33,347,751,950.85 - Step 5: Solve for x
x = 33,347,751,950.85/207,251.83 - Step 6: Final answer
x = 160,904.50
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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.