Finding the Fourth Proportional to 192,892.36, 266,129.64 and 124,961.70
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Solution
The fourth proportional to 192,892.36, 266,129.64 and 124,961.70 is: 172,407.10
Step by Step Solution
- Step 1: Write the proportion equation
192,892.36 : 266,129.64 = 124,961.70 : x - Step 2: Convert to fraction form
192,892.36/266,129.64 = 124,961.70/x - Step 3: Cross multiply
192,892.36x = 266,129.64 × 124,961.70 - Step 4: Simplify right side
192,892.36x = 33,256,012,234.79 - Step 5: Solve for x
x = 33,256,012,234.79/192,892.36 - Step 6: Final answer
x = 172,407.10
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1.5x scale
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.