Finding the Fourth Proportional to 195,604.35, 269,998.16 and 115,027.98
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Solution
The fourth proportional to 195,604.35, 269,998.16 and 115,027.98 is: 158,776.34
Step by Step Solution
- Step 1: Write the proportion equation
195,604.35 : 269,998.16 = 115,027.98 : x - Step 2: Convert to fraction form
195,604.35/269,998.16 = 115,027.98/x - Step 3: Cross multiply
195,604.35x = 269,998.16 × 115,027.98 - Step 4: Simplify right side
195,604.35x = 31,057,342,373.38 - Step 5: Solve for x
x = 31,057,342,373.38/195,604.35 - Step 6: Final answer
x = 158,776.34
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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.