Finding the Fourth Proportional to 264,701.80, 397,052.70 and 261,202.60
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Solution
The fourth proportional to 264,701.80, 397,052.70 and 261,202.60 is: 391,803.90
Step by Step Solution
- Step 1: Write the proportion equation
264,701.80 : 397,052.70 = 261,202.60 : x - Step 2: Convert to fraction form
264,701.80/397,052.70 = 261,202.60/x - Step 3: Cross multiply
264,701.80x = 397,052.70 × 261,202.60 - Step 4: Simplify right side
264,701.80x = 103,711,197,577.02 - Step 5: Solve for x
x = 103,711,197,577.02/264,701.80 - Step 6: Final answer
x = 391,803.90
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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.