Finding the Fourth Proportional to 201,522.66, 278,101.26 and 110,876.70
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Solution
The fourth proportional to 201,522.66, 278,101.26 and 110,876.70 is: 153,009.84
Step by Step Solution
- Step 1: Write the proportion equation
201,522.66 : 278,101.26 = 110,876.70 : x - Step 2: Convert to fraction form
201,522.66/278,101.26 = 110,876.70/x - Step 3: Cross multiply
201,522.66x = 278,101.26 × 110,876.70 - Step 4: Simplify right side
201,522.66x = 30,834,949,974.64 - Step 5: Solve for x
x = 30,834,949,974.64/201,522.66 - Step 6: Final answer
x = 153,009.84
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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.