Finding the Fourth Proportional to 154,265.97, 231,476.84 and 69,972.41
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Solution
The fourth proportional to 154,265.97, 231,476.84 and 69,972.41 is: 104,993.94
Step by Step Solution
- Step 1: Write the proportion equation
154,265.97 : 231,476.84 = 69,972.41 : x - Step 2: Convert to fraction form
154,265.97/231,476.84 = 69,972.41/x - Step 3: Cross multiply
154,265.97x = 231,476.84 × 69,972.41 - Step 4: Simplify right side
154,265.97x = 16,196,991,543.15 - Step 5: Solve for x
x = 16,196,991,543.15/154,265.97 - Step 6: Final answer
x = 104,993.94
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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.