Finding the Fourth Proportional to 280,369.28, 418,408.36 and 250,451.12
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Solution
The fourth proportional to 280,369.28, 418,408.36 and 250,451.12 is: 373,760.07
Step by Step Solution
- Step 1: Write the proportion equation
280,369.28 : 418,408.36 = 250,451.12 : x - Step 2: Convert to fraction form
280,369.28/418,408.36 = 250,451.12/x - Step 3: Cross multiply
280,369.28x = 418,408.36 × 250,451.12 - Step 4: Simplify right side
280,369.28x = 104,790,842,799.26 - Step 5: Solve for x
x = 104,790,842,799.26/280,369.28 - Step 6: Final answer
x = 373,760.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.