Finding the Fourth Proportional to 170,556.84, 235,321.20 and 110,130.03
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Solution
The fourth proportional to 170,556.84, 235,321.20 and 110,130.03 is: 151,948.94
Step by Step Solution
- Step 1: Write the proportion equation
170,556.84 : 235,321.20 = 110,130.03 : x - Step 2: Convert to fraction form
170,556.84/235,321.20 = 110,130.03/x - Step 3: Cross multiply
170,556.84x = 235,321.20 × 110,130.03 - Step 4: Simplify right side
170,556.84x = 25,915,930,815.64 - Step 5: Solve for x
x = 25,915,930,815.64/170,556.84 - Step 6: Final answer
x = 151,948.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.