Finding the Fourth Proportional to 192,764.50, 266,179.17 and 121,264.18
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Solution
The fourth proportional to 192,764.50, 266,179.17 and 121,264.18 is: 167,447.84
Step by Step Solution
- Step 1: Write the proportion equation
192,764.50 : 266,179.17 = 121,264.18 : x - Step 2: Convert to fraction form
192,764.50/266,179.17 = 121,264.18/x - Step 3: Cross multiply
192,764.50x = 266,179.17 × 121,264.18 - Step 4: Simplify right side
192,764.50x = 32,277,998,783.13 - Step 5: Solve for x
x = 32,277,998,783.13/192,764.50 - Step 6: Final answer
x = 167,447.84
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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.