Finding the Fourth Proportional to 244,621.17, 337,660.11 and 154,128.78
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Solution
The fourth proportional to 244,621.17, 337,660.11 and 154,128.78 is: 212,749.95
Step by Step Solution
- Step 1: Write the proportion equation
244,621.17 : 337,660.11 = 154,128.78 : x - Step 2: Convert to fraction form
244,621.17/337,660.11 = 154,128.78/x - Step 3: Cross multiply
244,621.17x = 337,660.11 × 154,128.78 - Step 4: Simplify right side
244,621.17x = 52,043,140,808.97 - Step 5: Solve for x
x = 52,043,140,808.97/244,621.17 - Step 6: Final answer
x = 212,749.95
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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.