Finding the Fourth Proportional to 201,709.70, 302,564.55 and 96,733.70
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Solution
The fourth proportional to 201,709.70, 302,564.55 and 96,733.70 is: 145,100.55
Step by Step Solution
- Step 1: Write the proportion equation
201,709.70 : 302,564.55 = 96,733.70 : x - Step 2: Convert to fraction form
201,709.70/302,564.55 = 96,733.70/x - Step 3: Cross multiply
201,709.70x = 302,564.55 × 96,733.70 - Step 4: Simplify right side
201,709.70x = 29,268,188,410.34 - Step 5: Solve for x
x = 29,268,188,410.34/201,709.70 - Step 6: Final answer
x = 145,100.55
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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.