Finding the Fourth Proportional to 396,011.98, 593,879.73 and 159,293.26
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Solution
The fourth proportional to 396,011.98, 593,879.73 and 159,293.26 is: 238,884.28
Step by Step Solution
- Step 1: Write the proportion equation
396,011.98 : 593,879.73 = 159,293.26 : x - Step 2: Convert to fraction form
396,011.98/593,879.73 = 159,293.26/x - Step 3: Cross multiply
396,011.98x = 593,879.73 × 159,293.26 - Step 4: Simplify right side
396,011.98x = 94,601,038,239.62 - Step 5: Solve for x
x = 94,601,038,239.62/396,011.98 - Step 6: Final answer
x = 238,884.28
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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.