Finding the Fourth Proportional to 113,388.68, 170,079.24 and 60,900.68
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Solution
The fourth proportional to 113,388.68, 170,079.24 and 60,900.68 is: 91,348.99
Step by Step Solution
- Step 1: Write the proportion equation
113,388.68 : 170,079.24 = 60,900.68 : x - Step 2: Convert to fraction form
113,388.68/170,079.24 = 60,900.68/x - Step 3: Cross multiply
113,388.68x = 170,079.24 × 60,900.68 - Step 4: Simplify right side
113,388.68x = 10,357,941,369.88 - Step 5: Solve for x
x = 10,357,941,369.88/113,388.68 - Step 6: Final answer
x = 91,348.99
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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.