Finding the Fourth Proportional to 221,625.32, 305,865.08 and 132,201.32
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Solution
The fourth proportional to 221,625.32, 305,865.08 and 132,201.32 is: 182,451.03
Step by Step Solution
- Step 1: Write the proportion equation
221,625.32 : 305,865.08 = 132,201.32 : x - Step 2: Convert to fraction form
221,625.32/305,865.08 = 132,201.32/x - Step 3: Cross multiply
221,625.32x = 305,865.08 × 132,201.32 - Step 4: Simplify right side
221,625.32x = 40,435,767,317.91 - Step 5: Solve for x
x = 40,435,767,317.91/221,625.32 - Step 6: Final answer
x = 182,451.03
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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.