Finding the Fourth Proportional to 226,375.55, 312,330.13 and 135,698.43
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Solution
The fourth proportional to 226,375.55, 312,330.13 and 135,698.43 is: 187,222.99
Step by Step Solution
- Step 1: Write the proportion equation
226,375.55 : 312,330.13 = 135,698.43 : x - Step 2: Convert to fraction form
226,375.55/312,330.13 = 135,698.43/x - Step 3: Cross multiply
226,375.55x = 312,330.13 × 135,698.43 - Step 4: Simplify right side
226,375.55x = 42,382,708,282.70 - Step 5: Solve for x
x = 42,382,708,282.70/226,375.55 - Step 6: Final answer
x = 187,222.99
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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.