Finding the Fourth Proportional to 201,899.90, 302,564.11 and 111,982.19
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Solution
The fourth proportional to 201,899.90, 302,564.11 and 111,982.19 is: 167,814.80
Step by Step Solution
- Step 1: Write the proportion equation
201,899.90 : 302,564.11 = 111,982.19 : x - Step 2: Convert to fraction form
201,899.90/302,564.11 = 111,982.19/x - Step 3: Cross multiply
201,899.90x = 302,564.11 × 111,982.19 - Step 4: Simplify right side
201,899.90x = 33,881,791,653.20 - Step 5: Solve for x
x = 33,881,791,653.20/201,899.90 - Step 6: Final answer
x = 167,814.80
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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.