Finding the Fourth Proportional to 289,161.70, 398,330.14 and 246,002.98
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Solution
The fourth proportional to 289,161.70, 398,330.14 and 246,002.98 is: 338,877.53
Step by Step Solution
- Step 1: Write the proportion equation
289,161.70 : 398,330.14 = 246,002.98 : x - Step 2: Convert to fraction form
289,161.70/398,330.14 = 246,002.98/x - Step 3: Cross multiply
289,161.70x = 398,330.14 × 246,002.98 - Step 4: Simplify right side
289,161.70x = 97,990,401,463.82 - Step 5: Solve for x
x = 97,990,401,463.82/289,161.70 - Step 6: Final answer
x = 338,877.53
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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.