Finding the Fourth Proportional to 170,438.67, 235,205.91 and 102,494.79
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Solution
The fourth proportional to 170,438.67, 235,205.91 and 102,494.79 is: 141,443.14
Step by Step Solution
- Step 1: Write the proportion equation
170,438.67 : 235,205.91 = 102,494.79 : x - Step 2: Convert to fraction form
170,438.67/235,205.91 = 102,494.79/x - Step 3: Cross multiply
170,438.67x = 235,205.91 × 102,494.79 - Step 4: Simplify right side
170,438.67x = 24,107,380,352.21 - Step 5: Solve for x
x = 24,107,380,352.21/170,438.67 - Step 6: Final answer
x = 141,443.14
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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.