Finding the Fourth Proportional to 201,556.10, 302,431.35 and 142,264.10
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Solution
The fourth proportional to 201,556.10, 302,431.35 and 142,264.10 is: 213,464.76
Step by Step Solution
- Step 1: Write the proportion equation
201,556.10 : 302,431.35 = 142,264.10 : x - Step 2: Convert to fraction form
201,556.10/302,431.35 = 142,264.10/x - Step 3: Cross multiply
201,556.10x = 302,431.35 × 142,264.10 - Step 4: Simplify right side
201,556.10x = 43,025,123,819.54 - Step 5: Solve for x
x = 43,025,123,819.54/201,556.10 - Step 6: Final answer
x = 213,464.76
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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.