Finding the Fourth Proportional to 75,315.24, 112,982.28 and 22,724.64
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Solution
The fourth proportional to 75,315.24, 112,982.28 and 22,724.64 is: 34,089.80
Step by Step Solution
- Step 1: Write the proportion equation
75,315.24 : 112,982.28 = 22,724.64 : x - Step 2: Convert to fraction form
75,315.24/112,982.28 = 22,724.64/x - Step 3: Cross multiply
75,315.24x = 112,982.28 × 22,724.64 - Step 4: Simplify right side
75,315.24x = 2,567,481,639.38 - Step 5: Solve for x
x = 2,567,481,639.38/75,315.24 - Step 6: Final answer
x = 34,089.80
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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.