Finding the Fourth Proportional to 344,234.75, 516,554.21 and 144,539.78
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Solution
The fourth proportional to 344,234.75, 516,554.21 and 144,539.78 is: 216,894.52
Step by Step Solution
- Step 1: Write the proportion equation
344,234.75 : 516,554.21 = 144,539.78 : x - Step 2: Convert to fraction form
344,234.75/516,554.21 = 144,539.78/x - Step 3: Cross multiply
344,234.75x = 516,554.21 × 144,539.78 - Step 4: Simplify right side
344,234.75x = 74,662,629,650.05 - Step 5: Solve for x
x = 74,662,629,650.05/344,234.75 - Step 6: Final answer
x = 216,894.52
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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.