Finding the Fourth Proportional to 201,099.76, 277,647.70 and 124,700.02
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Solution
The fourth proportional to 201,099.76, 277,647.70 and 124,700.02 is: 172,166.66
Step by Step Solution
- Step 1: Write the proportion equation
201,099.76 : 277,647.70 = 124,700.02 : x - Step 2: Convert to fraction form
201,099.76/277,647.70 = 124,700.02/x - Step 3: Cross multiply
201,099.76x = 277,647.70 × 124,700.02 - Step 4: Simplify right side
201,099.76x = 34,622,673,742.95 - Step 5: Solve for x
x = 34,622,673,742.95/201,099.76 - Step 6: Final answer
x = 172,166.66
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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.