Finding the Fourth Proportional to 818,958.17, 1,228,440.42 and 250,337.09
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Solution
The fourth proportional to 818,958.17, 1,228,440.42 and 250,337.09 is: 375,506.61
Step by Step Solution
- Step 1: Write the proportion equation
818,958.17 : 1,228,440.42 = 250,337.09 : x - Step 2: Convert to fraction form
818,958.17/1,228,440.42 = 250,337.09/x - Step 3: Cross multiply
818,958.17x = 1,228,440.42 × 250,337.09 - Step 4: Simplify right side
818,958.17x = 307,524,203,052.28 - Step 5: Solve for x
x = 307,524,203,052.28/818,958.17 - Step 6: Final answer
x = 375,506.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.