Finding the Fourth Proportional to 221,110.11, 305,140.11 and 125,632.98
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Solution
The fourth proportional to 221,110.11, 305,140.11 and 125,632.98 is: 173,378.15
Step by Step Solution
- Step 1: Write the proportion equation
221,110.11 : 305,140.11 = 125,632.98 : x - Step 2: Convert to fraction form
221,110.11/305,140.11 = 125,632.98/x - Step 3: Cross multiply
221,110.11x = 305,140.11 × 125,632.98 - Step 4: Simplify right side
221,110.11x = 38,335,661,336.83 - Step 5: Solve for x
x = 38,335,661,336.83/221,110.11 - Step 6: Final answer
x = 173,378.15
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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.