Finding the Fourth Proportional to 192,839.08, 289,339.37 and 84,712.68
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Solution
The fourth proportional to 192,839.08, 289,339.37 and 84,712.68 is: 127,104.49
Step by Step Solution
- Step 1: Write the proportion equation
192,839.08 : 289,339.37 = 84,712.68 : x - Step 2: Convert to fraction form
192,839.08/289,339.37 = 84,712.68/x - Step 3: Cross multiply
192,839.08x = 289,339.37 × 84,712.68 - Step 4: Simplify right side
192,839.08x = 24,510,713,462.21 - Step 5: Solve for x
x = 24,510,713,462.21/192,839.08 - Step 6: Final answer
x = 127,104.49
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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.