Finding the Fourth Proportional to 276,328.75, 381,333.68 and 157,096.75
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Solution
The fourth proportional to 276,328.75, 381,333.68 and 157,096.75 is: 216,793.52
Step by Step Solution
- Step 1: Write the proportion equation
276,328.75 : 381,333.68 = 157,096.75 : x - Step 2: Convert to fraction form
276,328.75/381,333.68 = 157,096.75/x - Step 3: Cross multiply
276,328.75x = 381,333.68 × 157,096.75 - Step 4: Simplify right side
276,328.75x = 59,906,281,793.54 - Step 5: Solve for x
x = 59,906,281,793.54/276,328.75 - Step 6: Final answer
x = 216,793.52
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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.