Finding the Fourth Proportional to 239,392.59, 330,346.94 and 131,957.07
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Solution
The fourth proportional to 239,392.59, 330,346.94 and 131,957.07 is: 182,092.58
Step by Step Solution
- Step 1: Write the proportion equation
239,392.59 : 330,346.94 = 131,957.07 : x - Step 2: Convert to fraction form
239,392.59/330,346.94 = 131,957.07/x - Step 3: Cross multiply
239,392.59x = 330,346.94 × 131,957.07 - Step 4: Simplify right side
239,392.59x = 43,591,613,626.08 - Step 5: Solve for x
x = 43,591,613,626.08/239,392.59 - Step 6: Final answer
x = 182,092.58
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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.