Finding the Fourth Proportional to 417,610.75, 576,304.38 and 226,624.09
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Solution
The fourth proportional to 417,610.75, 576,304.38 and 226,624.09 is: 312,742.08
Step by Step Solution
- Step 1: Write the proportion equation
417,610.75 : 576,304.38 = 226,624.09 : x - Step 2: Convert to fraction form
417,610.75/576,304.38 = 226,624.09/x - Step 3: Cross multiply
417,610.75x = 576,304.38 × 226,624.09 - Step 4: Simplify right side
417,610.75x = 130,604,455,680.51 - Step 5: Solve for x
x = 130,604,455,680.51/417,610.75 - Step 6: Final answer
x = 312,742.08
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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.