Finding the Fourth Proportional to 334,859.28, 461,094.84 and 289,456.08
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Solution
The fourth proportional to 334,859.28, 461,094.84 and 289,456.08 is: 398,575.50
Step by Step Solution
- Step 1: Write the proportion equation
334,859.28 : 461,094.84 = 289,456.08 : x - Step 2: Convert to fraction form
334,859.28/461,094.84 = 289,456.08/x - Step 3: Cross multiply
334,859.28x = 461,094.84 × 289,456.08 - Step 4: Simplify right side
334,859.28x = 133,466,704,894.63 - Step 5: Solve for x
x = 133,466,704,894.63/334,859.28 - Step 6: Final answer
x = 398,575.50
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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.