Finding the Fourth Proportional to 494,459.99, 682,358.88 and 268,105.49
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Solution
The fourth proportional to 494,459.99, 682,358.88 and 268,105.49 is: 369,987.79
Step by Step Solution
- Step 1: Write the proportion equation
494,459.99 : 682,358.88 = 268,105.49 : x - Step 2: Convert to fraction form
494,459.99/682,358.88 = 268,105.49/x - Step 3: Cross multiply
494,459.99x = 682,358.88 × 268,105.49 - Step 4: Simplify right side
494,459.99x = 182,944,158,466.46 - Step 5: Solve for x
x = 182,944,158,466.46/494,459.99 - Step 6: Final answer
x = 369,987.79
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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.