Finding the Fourth Proportional to 201,752.07, 278,334.28 and 120,063.98
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Solution
The fourth proportional to 201,752.07, 278,334.28 and 120,063.98 is: 165,638.55
Step by Step Solution
- Step 1: Write the proportion equation
201,752.07 : 278,334.28 = 120,063.98 : x - Step 2: Convert to fraction form
201,752.07/278,334.28 = 120,063.98/x - Step 3: Cross multiply
201,752.07x = 278,334.28 × 120,063.98 - Step 4: Simplify right side
201,752.07x = 33,417,919,735.40 - Step 5: Solve for x
x = 33,417,919,735.40/201,752.07 - Step 6: Final answer
x = 165,638.55
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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.