Finding the Fourth Proportional to 239,619.06, 330,614.87 and 157,938.26
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Solution
The fourth proportional to 239,619.06, 330,614.87 and 157,938.26 is: 217,915.62
Step by Step Solution
- Step 1: Write the proportion equation
239,619.06 : 330,614.87 = 157,938.26 : x - Step 2: Convert to fraction form
239,619.06/330,614.87 = 157,938.26/x - Step 3: Cross multiply
239,619.06x = 330,614.87 × 157,938.26 - Step 4: Simplify right side
239,619.06x = 52,216,734,855.16 - Step 5: Solve for x
x = 52,216,734,855.16/239,619.06 - Step 6: Final answer
x = 217,915.62
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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.