Finding the Fourth Proportional to 189,282.87, 261,209.88 and 108,715.62
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Solution
The fourth proportional to 189,282.87, 261,209.88 and 108,715.62 is: 150,027.28
Step by Step Solution
- Step 1: Write the proportion equation
189,282.87 : 261,209.88 = 108,715.62 : x - Step 2: Convert to fraction form
189,282.87/261,209.88 = 108,715.62/x - Step 3: Cross multiply
189,282.87x = 261,209.88 × 108,715.62 - Step 4: Simplify right side
189,282.87x = 28,397,594,054.33 - Step 5: Solve for x
x = 28,397,594,054.33/189,282.87 - Step 6: Final answer
x = 150,027.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.