Finding the Fourth Proportional to 252,441.36, 348,359.94 and 139,261.68
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Solution
The fourth proportional to 252,441.36, 348,359.94 and 139,261.68 is: 192,176.08
Step by Step Solution
- Step 1: Write the proportion equation
252,441.36 : 348,359.94 = 139,261.68 : x - Step 2: Convert to fraction form
252,441.36/348,359.94 = 139,261.68/x - Step 3: Cross multiply
252,441.36x = 348,359.94 × 139,261.68 - Step 4: Simplify right side
252,441.36x = 48,513,190,489.10 - Step 5: Solve for x
x = 48,513,190,489.10/252,441.36 - Step 6: Final answer
x = 192,176.08
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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.