Finding the Fourth Proportional to 201,378.48, 302,104.20 and 82,984.08
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Solution
The fourth proportional to 201,378.48, 302,104.20 and 82,984.08 is: 124,491.15
Step by Step Solution
- Step 1: Write the proportion equation
201,378.48 : 302,104.20 = 82,984.08 : x - Step 2: Convert to fraction form
201,378.48/302,104.20 = 82,984.08/x - Step 3: Cross multiply
201,378.48x = 302,104.20 × 82,984.08 - Step 4: Simplify right side
201,378.48x = 25,069,839,101.14 - Step 5: Solve for x
x = 25,069,839,101.14/201,378.48 - Step 6: Final answer
x = 124,491.15
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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.