Finding the Fourth Proportional to 190,906.10, 263,451.04 and 106,023.17
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Solution
The fourth proportional to 190,906.10, 263,451.04 and 106,023.17 is: 146,312.31
Step by Step Solution
- Step 1: Write the proportion equation
190,906.10 : 263,451.04 = 106,023.17 : x - Step 2: Convert to fraction form
190,906.10/263,451.04 = 106,023.17/x - Step 3: Cross multiply
190,906.10x = 263,451.04 × 106,023.17 - Step 4: Simplify right side
190,906.10x = 27,931,912,553.23 - Step 5: Solve for x
x = 27,931,912,553.23/190,906.10 - Step 6: Final answer
x = 146,312.31
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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.