Finding the Fourth Proportional to 691,160.70, 1,036,030.14 and 264,596.10
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Solution
The fourth proportional to 691,160.70, 1,036,030.14 and 264,596.10 is: 396,621.99
Step by Step Solution
- Step 1: Write the proportion equation
691,160.70 : 1,036,030.14 = 264,596.10 : x - Step 2: Convert to fraction form
691,160.70/1,036,030.14 = 264,596.10/x - Step 3: Cross multiply
691,160.70x = 1,036,030.14 × 264,596.10 - Step 4: Simplify right side
691,160.70x = 274,129,534,526.45 - Step 5: Solve for x
x = 274,129,534,526.45/691,160.70 - Step 6: Final answer
x = 396,621.99
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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.