Finding the Fourth Proportional to 276,798.60, 414,938.70 and 216,793.80
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Solution
The fourth proportional to 276,798.60, 414,938.70 and 216,793.80 is: 324,987.69
Step by Step Solution
- Step 1: Write the proportion equation
276,798.60 : 414,938.70 = 216,793.80 : x - Step 2: Convert to fraction form
276,798.60/414,938.70 = 216,793.80/x - Step 3: Cross multiply
276,798.60x = 414,938.70 × 216,793.80 - Step 4: Simplify right side
276,798.60x = 89,956,137,540.06 - Step 5: Solve for x
x = 89,956,137,540.06/276,798.60 - Step 6: Final answer
x = 324,987.69
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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.