Finding the Fourth Proportional to 192,726.87, 289,013.68 and 74,322.69
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Solution
The fourth proportional to 192,726.87, 289,013.68 and 74,322.69 is: 111,454.49
Step by Step Solution
- Step 1: Write the proportion equation
192,726.87 : 289,013.68 = 74,322.69 : x - Step 2: Convert to fraction form
192,726.87/289,013.68 = 74,322.69/x - Step 3: Cross multiply
192,726.87x = 289,013.68 × 74,322.69 - Step 4: Simplify right side
192,726.87x = 21,480,274,144.40 - Step 5: Solve for x
x = 21,480,274,144.40/192,726.87 - Step 6: Final answer
x = 111,454.49
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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.