Finding the Fourth Proportional to 447,175.44, 617,106.58 and 243,231.12
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Solution
The fourth proportional to 447,175.44, 617,106.58 and 243,231.12 is: 335,661.38
Step by Step Solution
- Step 1: Write the proportion equation
447,175.44 : 617,106.58 = 243,231.12 : x - Step 2: Convert to fraction form
447,175.44/617,106.58 = 243,231.12/x - Step 3: Cross multiply
447,175.44x = 617,106.58 × 243,231.12 - Step 4: Simplify right side
447,175.44x = 150,099,524,004.69 - Step 5: Solve for x
x = 150,099,524,004.69/447,175.44 - Step 6: Final answer
x = 335,661.38
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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.