Finding the Fourth Proportional to 226,349.91, 340,878.96 and 206,172.09
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Solution
The fourth proportional to 226,349.91, 340,878.96 and 206,172.09 is: 310,491.52
Step by Step Solution
- Step 1: Write the proportion equation
226,349.91 : 340,878.96 = 206,172.09 : x - Step 2: Convert to fraction form
226,349.91/340,878.96 = 206,172.09/x - Step 3: Cross multiply
226,349.91x = 340,878.96 × 206,172.09 - Step 4: Simplify right side
226,349.91x = 70,279,727,620.23 - Step 5: Solve for x
x = 70,279,727,620.23/226,349.91 - Step 6: Final answer
x = 310,491.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.