Finding the Fourth Proportional to 417,438.99, 576,066.91 and 226,452.38
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Solution
The fourth proportional to 417,438.99, 576,066.91 and 226,452.38 is: 312,504.88
Step by Step Solution
- Step 1: Write the proportion equation
417,438.99 : 576,066.91 = 226,452.38 : x - Step 2: Convert to fraction form
417,438.99/576,066.91 = 226,452.38/x - Step 3: Cross multiply
417,438.99x = 576,066.91 × 226,452.38 - Step 4: Simplify right side
417,438.99x = 130,451,720,802.45 - Step 5: Solve for x
x = 130,451,720,802.45/417,438.99 - Step 6: Final answer
x = 312,504.88
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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.