Finding the Fourth Proportional to 203,220.70, 304,831.05 and 124,423.90
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Solution
The fourth proportional to 203,220.70, 304,831.05 and 124,423.90 is: 186,635.85
Step by Step Solution
- Step 1: Write the proportion equation
203,220.70 : 304,831.05 = 124,423.90 : x - Step 2: Convert to fraction form
203,220.70/304,831.05 = 124,423.90/x - Step 3: Cross multiply
203,220.70x = 304,831.05 × 124,423.90 - Step 4: Simplify right side
203,220.70x = 37,928,268,082.10 - Step 5: Solve for x
x = 37,928,268,082.10/203,220.70 - Step 6: Final answer
x = 186,635.85
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1.5x scale
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.