Finding the Fourth Proportional to 170,449.92, 235,198.08 and 103,368.96
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Solution
The fourth proportional to 170,449.92, 235,198.08 and 103,368.96 is: 142,635.33
Step by Step Solution
- Step 1: Write the proportion equation
170,449.92 : 235,198.08 = 103,368.96 : x - Step 2: Convert to fraction form
170,449.92/235,198.08 = 103,368.96/x - Step 3: Cross multiply
170,449.92x = 235,198.08 × 103,368.96 - Step 4: Simplify right side
170,449.92x = 24,312,180,923.60 - Step 5: Solve for x
x = 24,312,180,923.60/170,449.92 - Step 6: Final answer
x = 142,635.33
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1.5x scale
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.