Finding the Fourth Proportional to 221,104.67, 305,132.67 and 125,627.54
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Solution
The fourth proportional to 221,104.67, 305,132.67 and 125,627.54 is: 173,370.68
Step by Step Solution
- Step 1: Write the proportion equation
221,104.67 : 305,132.67 = 125,627.54 : x - Step 2: Convert to fraction form
221,104.67/305,132.67 = 125,627.54/x - Step 3: Cross multiply
221,104.67x = 305,132.67 × 125,627.54 - Step 4: Simplify right side
221,104.67x = 38,333,065,180.07 - Step 5: Solve for x
x = 38,333,065,180.07/221,104.67 - Step 6: Final answer
x = 173,370.68
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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.