Finding the Fourth Proportional to 137,336.99, 205,798.60 and 122,370.90
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Solution
The fourth proportional to 137,336.99, 205,798.60 and 122,370.90 is: 183,372.01
Step by Step Solution
- Step 1: Write the proportion equation
137,336.99 : 205,798.60 = 122,370.90 : x - Step 2: Convert to fraction form
137,336.99/205,798.60 = 122,370.90/x - Step 3: Cross multiply
137,336.99x = 205,798.60 × 122,370.90 - Step 4: Simplify right side
137,336.99x = 25,183,759,900.74 - Step 5: Solve for x
x = 25,183,759,900.74/137,336.99 - Step 6: Final answer
x = 183,372.01
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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.