Finding the Fourth Proportional to 239,399.91, 358,963.79 and 99,081.99
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Solution
The fourth proportional to 239,399.91, 358,963.79 and 99,081.99 is: 148,566.66
Step by Step Solution
- Step 1: Write the proportion equation
239,399.91 : 358,963.79 = 99,081.99 : x - Step 2: Convert to fraction form
239,399.91/358,963.79 = 99,081.99/x - Step 3: Cross multiply
239,399.91x = 358,963.79 × 99,081.99 - Step 4: Simplify right side
239,399.91x = 35,566,846,155.73 - Step 5: Solve for x
x = 35,566,846,155.73/239,399.91 - Step 6: Final answer
x = 148,566.66
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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.