Finding the Fourth Proportional to 191,767.68, 264,639.69 and 106,882.92
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Solution
The fourth proportional to 191,767.68, 264,639.69 and 106,882.92 is: 147,498.59
Step by Step Solution
- Step 1: Write the proportion equation
191,767.68 : 264,639.69 = 106,882.92 : x - Step 2: Convert to fraction form
191,767.68/264,639.69 = 106,882.92/x - Step 3: Cross multiply
191,767.68x = 264,639.69 × 106,882.92 - Step 4: Simplify right side
191,767.68x = 28,285,462,815.09 - Step 5: Solve for x
x = 28,285,462,815.09/191,767.68 - Step 6: Final answer
x = 147,498.59
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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.