Finding the Fourth Proportional to 214,102.40, 321,202.20 and 125,310.20
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Solution
The fourth proportional to 214,102.40, 321,202.20 and 125,310.20 is: 187,993.74
Step by Step Solution
- Step 1: Write the proportion equation
214,102.40 : 321,202.20 = 125,310.20 : x - Step 2: Convert to fraction form
214,102.40/321,202.20 = 125,310.20/x - Step 3: Cross multiply
214,102.40x = 321,202.20 × 125,310.20 - Step 4: Simplify right side
214,102.40x = 40,249,911,922.44 - Step 5: Solve for x
x = 40,249,911,922.44/214,102.40 - Step 6: Final answer
x = 187,993.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.