Finding the Fourth Proportional to 239,304.57, 330,242.49 and 131,878.44
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Solution
The fourth proportional to 239,304.57, 330,242.49 and 131,878.44 is: 181,993.45
Step by Step Solution
- Step 1: Write the proportion equation
239,304.57 : 330,242.49 = 131,878.44 : x - Step 2: Convert to fraction form
239,304.57/330,242.49 = 131,878.44/x - Step 3: Cross multiply
239,304.57x = 330,242.49 × 131,878.44 - Step 4: Simplify right side
239,304.57x = 43,551,864,402.92 - Step 5: Solve for x
x = 43,551,864,402.92/239,304.57 - Step 6: Final answer
x = 181,993.45
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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.