Finding the Fourth Proportional to 201,552.44, 278,113.02 and 120,962.84
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Solution
The fourth proportional to 201,552.44, 278,113.02 and 120,962.84 is: 166,911.11
Step by Step Solution
- Step 1: Write the proportion equation
201,552.44 : 278,113.02 = 120,962.84 : x - Step 2: Convert to fraction form
201,552.44/278,113.02 = 120,962.84/x - Step 3: Cross multiply
201,552.44x = 278,113.02 × 120,962.84 - Step 4: Simplify right side
201,552.44x = 33,641,340,740.18 - Step 5: Solve for x
x = 33,641,340,740.18/201,552.44 - Step 6: Final answer
x = 166,911.11
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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.