Finding the Fourth Proportional to 298,373.20, 449,193.08 and 272,245.84
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Solution
The fourth proportional to 298,373.20, 449,193.08 and 272,245.84 is: 409,859.02
Step by Step Solution
- Step 1: Write the proportion equation
298,373.20 : 449,193.08 = 272,245.84 : x - Step 2: Convert to fraction form
298,373.20/449,193.08 = 272,245.84/x - Step 3: Cross multiply
298,373.20x = 449,193.08 × 272,245.84 - Step 4: Simplify right side
298,373.20x = 122,290,947,386.79 - Step 5: Solve for x
x = 122,290,947,386.79/298,373.20 - Step 6: Final answer
x = 409,859.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.