Finding the Fourth Proportional to 276,722.20, 415,083.30 and 164,747.80
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Solution
The fourth proportional to 276,722.20, 415,083.30 and 164,747.80 is: 247,121.70
Step by Step Solution
- Step 1: Write the proportion equation
276,722.20 : 415,083.30 = 164,747.80 : x - Step 2: Convert to fraction form
276,722.20/415,083.30 = 164,747.80/x - Step 3: Cross multiply
276,722.20x = 415,083.30 × 164,747.80 - Step 4: Simplify right side
276,722.20x = 68,384,060,491.74 - Step 5: Solve for x
x = 68,384,060,491.74/276,722.20 - Step 6: Final answer
x = 247,121.70
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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.