Finding the Fourth Proportional to 239,205.49, 358,758.92 and 106,000.79
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Solution
The fourth proportional to 239,205.49, 358,758.92 and 106,000.79 is: 158,979.33
Step by Step Solution
- Step 1: Write the proportion equation
239,205.49 : 358,758.92 = 106,000.79 : x - Step 2: Convert to fraction form
239,205.49/358,758.92 = 106,000.79/x - Step 3: Cross multiply
239,205.49x = 358,758.92 × 106,000.79 - Step 4: Simplify right side
239,205.49x = 38,028,727,410.75 - Step 5: Solve for x
x = 38,028,727,410.75/239,205.49 - Step 6: Final answer
x = 158,979.33
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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.