Finding the Fourth Proportional to 239,787.65, 330,906.99 and 132,357.71
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Solution
The fourth proportional to 239,787.65, 330,906.99 and 132,357.71 is: 182,653.65
Step by Step Solution
- Step 1: Write the proportion equation
239,787.65 : 330,906.99 = 132,357.71 : x - Step 2: Convert to fraction form
239,787.65/330,906.99 = 132,357.71/x - Step 3: Cross multiply
239,787.65x = 330,906.99 × 132,357.71 - Step 4: Simplify right side
239,787.65x = 43,798,089,764.86 - Step 5: Solve for x
x = 43,798,089,764.86/239,787.65 - Step 6: Final answer
x = 182,653.65
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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.