Finding the Fourth Proportional to 221,206.92, 305,276.22 and 124,441.08
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Solution
The fourth proportional to 221,206.92, 305,276.22 and 124,441.08 is: 171,734.69
Step by Step Solution
- Step 1: Write the proportion equation
221,206.92 : 305,276.22 = 124,441.08 : x - Step 2: Convert to fraction form
221,206.92/305,276.22 = 124,441.08/x - Step 3: Cross multiply
221,206.92x = 305,276.22 × 124,441.08 - Step 4: Simplify right side
221,206.92x = 37,988,902,515.12 - Step 5: Solve for x
x = 37,988,902,515.12/221,206.92 - Step 6: Final answer
x = 171,734.69
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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.