Finding the Fourth Proportional to 68,852.07, 103,278.10 and 22,137.75
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Solution
The fourth proportional to 68,852.07, 103,278.10 and 22,137.75 is: 33,206.62
Step by Step Solution
- Step 1: Write the proportion equation
68,852.07 : 103,278.10 = 22,137.75 : x - Step 2: Convert to fraction form
68,852.07/103,278.10 = 22,137.75/x - Step 3: Cross multiply
68,852.07x = 103,278.10 × 22,137.75 - Step 4: Simplify right side
68,852.07x = 2,286,344,758.28 - Step 5: Solve for x
x = 2,286,344,758.28/68,852.07 - Step 6: Final answer
x = 33,206.62
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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.