Finding the Fourth Proportional to 189,198.36, 283,798.55 and 48,956.99
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Solution
The fourth proportional to 189,198.36, 283,798.55 and 48,956.99 is: 73,435.74
Step by Step Solution
- Step 1: Write the proportion equation
189,198.36 : 283,798.55 = 48,956.99 : x - Step 2: Convert to fraction form
189,198.36/283,798.55 = 48,956.99/x - Step 3: Cross multiply
189,198.36x = 283,798.55 × 48,956.99 - Step 4: Simplify right side
189,198.36x = 13,893,921,477.76 - Step 5: Solve for x
x = 13,893,921,477.76/189,198.36 - Step 6: Final answer
x = 73,435.74
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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.