Finding the Fourth Proportional to 197,122.60, 295,683.90 and 122,327.20
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Solution
The fourth proportional to 197,122.60, 295,683.90 and 122,327.20 is: 183,490.80
Step by Step Solution
- Step 1: Write the proportion equation
197,122.60 : 295,683.90 = 122,327.20 : x - Step 2: Convert to fraction form
197,122.60/295,683.90 = 122,327.20/x - Step 3: Cross multiply
197,122.60x = 295,683.90 × 122,327.20 - Step 4: Simplify right side
197,122.60x = 36,170,183,572.08 - Step 5: Solve for x
x = 36,170,183,572.08/197,122.60 - Step 6: Final answer
x = 183,490.80
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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.