Finding the Fourth Proportional to 201,882.30, 302,823.45 and 68,718.30
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Solution
The fourth proportional to 201,882.30, 302,823.45 and 68,718.30 is: 103,077.45
Step by Step Solution
- Step 1: Write the proportion equation
201,882.30 : 302,823.45 = 68,718.30 : x - Step 2: Convert to fraction form
201,882.30/302,823.45 = 68,718.30/x - Step 3: Cross multiply
201,882.30x = 302,823.45 × 68,718.30 - Step 4: Simplify right side
201,882.30x = 20,809,512,684.14 - Step 5: Solve for x
x = 20,809,512,684.14/201,882.30 - Step 6: Final answer
x = 103,077.45
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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.