Finding the Fourth Proportional to 239,153.68, 330,047.07 and 131,723.68
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Solution
The fourth proportional to 239,153.68, 330,047.07 and 131,723.68 is: 181,786.94
Step by Step Solution
- Step 1: Write the proportion equation
239,153.68 : 330,047.07 = 131,723.68 : x - Step 2: Convert to fraction form
239,153.68/330,047.07 = 131,723.68/x - Step 3: Cross multiply
239,153.68x = 330,047.07 × 131,723.68 - Step 4: Simplify right side
239,153.68x = 43,475,014,633.62 - Step 5: Solve for x
x = 43,475,014,633.62/239,153.68 - Step 6: Final answer
x = 181,786.94
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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.