Finding the Fourth Proportional to 252,190.75, 348,023.24 and 139,015.93
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Solution
The fourth proportional to 252,190.75, 348,023.24 and 139,015.93 is: 191,841.99
Step by Step Solution
- Step 1: Write the proportion equation
252,190.75 : 348,023.24 = 139,015.93 : x - Step 2: Convert to fraction form
252,190.75/348,023.24 = 139,015.93/x - Step 3: Cross multiply
252,190.75x = 348,023.24 × 139,015.93 - Step 4: Simplify right side
252,190.75x = 48,380,774,370.21 - Step 5: Solve for x
x = 48,380,774,370.21/252,190.75 - Step 6: Final answer
x = 191,841.99
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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.