Finding the Fourth Proportional to 192,895.68, 289,341.36 and 68,207.52
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Solution
The fourth proportional to 192,895.68, 289,341.36 and 68,207.52 is: 102,310.52
Step by Step Solution
- Step 1: Write the proportion equation
192,895.68 : 289,341.36 = 68,207.52 : x - Step 2: Convert to fraction form
192,895.68/289,341.36 = 68,207.52/x - Step 3: Cross multiply
192,895.68x = 289,341.36 × 68,207.52 - Step 4: Simplify right side
192,895.68x = 19,735,256,599.03 - Step 5: Solve for x
x = 19,735,256,599.03/192,895.68 - Step 6: Final answer
x = 102,310.52
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1.5x scale
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.