Finding the Fourth Proportional to 221,251.97, 305,327.07 and 125,777.07
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Solution
The fourth proportional to 221,251.97, 305,327.07 and 125,777.07 is: 173,571.99
Step by Step Solution
- Step 1: Write the proportion equation
221,251.97 : 305,327.07 = 125,777.07 : x - Step 2: Convert to fraction form
221,251.97/305,327.07 = 125,777.07/x - Step 3: Cross multiply
221,251.97x = 305,327.07 × 125,777.07 - Step 4: Simplify right side
221,251.97x = 38,403,144,256.28 - Step 5: Solve for x
x = 38,403,144,256.28/221,251.97 - Step 6: Final answer
x = 173,571.99
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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.