Finding the Fourth Proportional to 127,625.97, 191,448.68 and 38,887.05
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Solution
The fourth proportional to 127,625.97, 191,448.68 and 38,887.05 is: 58,333.54
Step by Step Solution
- Step 1: Write the proportion equation
127,625.97 : 191,448.68 = 38,887.05 : x - Step 2: Convert to fraction form
127,625.97/191,448.68 = 38,887.05/x - Step 3: Cross multiply
127,625.97x = 191,448.68 × 38,887.05 - Step 4: Simplify right side
127,625.97x = 7,444,874,391.59 - Step 5: Solve for x
x = 7,444,874,391.59/127,625.97 - Step 6: Final answer
x = 58,333.54
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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.