Finding the Fourth Proportional to 449,440.76, 674,258.34 and 133,923.08
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Solution
The fourth proportional to 449,440.76, 674,258.34 and 133,923.08 is: 200,913.58
Step by Step Solution
- Step 1: Write the proportion equation
449,440.76 : 674,258.34 = 133,923.08 : x - Step 2: Convert to fraction form
449,440.76/674,258.34 = 133,923.08/x - Step 3: Cross multiply
449,440.76x = 674,258.34 × 133,923.08 - Step 4: Simplify right side
449,440.76x = 90,298,753,608.49 - Step 5: Solve for x
x = 90,298,753,608.49/449,440.76 - Step 6: Final answer
x = 200,913.58
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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.