Finding the Fourth Proportional to 189,295.76, 283,751.93 and 122,778.11
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Solution
The fourth proportional to 189,295.76, 283,751.93 and 122,778.11 is: 184,042.82
Step by Step Solution
- Step 1: Write the proportion equation
189,295.76 : 283,751.93 = 122,778.11 : x - Step 2: Convert to fraction form
189,295.76/283,751.93 = 122,778.11/x - Step 3: Cross multiply
189,295.76x = 283,751.93 × 122,778.11 - Step 4: Simplify right side
189,295.76x = 34,838,524,562.44 - Step 5: Solve for x
x = 34,838,524,562.44/189,295.76 - Step 6: Final answer
x = 184,042.82
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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.