Finding the Fourth Proportional to 201,134.40, 301,264.20 and 122,110.80
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Solution
The fourth proportional to 201,134.40, 301,264.20 and 122,110.80 is: 182,900.65
Step by Step Solution
- Step 1: Write the proportion equation
201,134.40 : 301,264.20 = 122,110.80 : x - Step 2: Convert to fraction form
201,134.40/301,264.20 = 122,110.80/x - Step 3: Cross multiply
201,134.40x = 301,264.20 × 122,110.80 - Step 4: Simplify right side
201,134.40x = 36,787,612,473.36 - Step 5: Solve for x
x = 36,787,612,473.36/201,134.40 - Step 6: Final answer
x = 182,900.65
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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.