Finding the Fourth Proportional to 226,260.23, 312,229.03 and 135,666.19
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Solution
The fourth proportional to 226,260.23, 312,229.03 and 135,666.19 is: 187,213.28
Step by Step Solution
- Step 1: Write the proportion equation
226,260.23 : 312,229.03 = 135,666.19 : x - Step 2: Convert to fraction form
226,260.23/312,229.03 = 135,666.19/x - Step 3: Cross multiply
226,260.23x = 312,229.03 × 135,666.19 - Step 4: Simplify right side
226,260.23x = 42,358,920,668.02 - Step 5: Solve for x
x = 42,358,920,668.02/226,260.23 - Step 6: Final answer
x = 187,213.28
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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.