Finding the Fourth Proportional to 201,921.42, 302,882.13 and 68,733.12
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Solution
The fourth proportional to 201,921.42, 302,882.13 and 68,733.12 is: 103,099.68
Step by Step Solution
- Step 1: Write the proportion equation
201,921.42 : 302,882.13 = 68,733.12 : x - Step 2: Convert to fraction form
201,921.42/302,882.13 = 68,733.12/x - Step 3: Cross multiply
201,921.42x = 302,882.13 × 68,733.12 - Step 4: Simplify right side
201,921.42x = 20,818,033,787.15 - Step 5: Solve for x
x = 20,818,033,787.15/201,921.42 - Step 6: Final answer
x = 103,099.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.