Finding the Fourth Proportional to 239,665.68, 330,739.71 and 132,235.65
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Solution
The fourth proportional to 239,665.68, 330,739.71 and 132,235.65 is: 182,485.79
Step by Step Solution
- Step 1: Write the proportion equation
239,665.68 : 330,739.71 = 132,235.65 : x - Step 2: Convert to fraction form
239,665.68/330,739.71 = 132,235.65/x - Step 3: Cross multiply
239,665.68x = 330,739.71 × 132,235.65 - Step 4: Simplify right side
239,665.68x = 43,735,580,532.66 - Step 5: Solve for x
x = 43,735,580,532.66/239,665.68 - Step 6: Final answer
x = 182,485.79
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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.