Finding the Fourth Proportional to 170,319.14, 235,029.17 and 102,295.70
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Solution
The fourth proportional to 170,319.14, 235,029.17 and 102,295.70 is: 141,161.31
Step by Step Solution
- Step 1: Write the proportion equation
170,319.14 : 235,029.17 = 102,295.70 : x - Step 2: Convert to fraction form
170,319.14/235,029.17 = 102,295.70/x - Step 3: Cross multiply
170,319.14x = 235,029.17 × 102,295.70 - Step 4: Simplify right side
170,319.14x = 24,042,471,778.94 - Step 5: Solve for x
x = 24,042,471,778.94/170,319.14 - Step 6: Final answer
x = 141,161.31
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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.