Finding the Fourth Proportional to 201,811.44, 278,208.84 and 141,194.28
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Solution
The fourth proportional to 201,811.44, 278,208.84 and 141,194.28 is: 194,644.55
Step by Step Solution
- Step 1: Write the proportion equation
201,811.44 : 278,208.84 = 141,194.28 : x - Step 2: Convert to fraction form
201,811.44/278,208.84 = 141,194.28/x - Step 3: Cross multiply
201,811.44x = 278,208.84 × 141,194.28 - Step 4: Simplify right side
201,811.44x = 39,281,496,853.44 - Step 5: Solve for x
x = 39,281,496,853.44/201,811.44 - Step 6: Final answer
x = 194,644.55
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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.