Finding the Fourth Proportional to 239,326.62, 330,212.73 and 135,937.80
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Solution
The fourth proportional to 239,326.62, 330,212.73 and 135,937.80 is: 187,561.22
Step by Step Solution
- Step 1: Write the proportion equation
239,326.62 : 330,212.73 = 135,937.80 : x - Step 2: Convert to fraction form
239,326.62/330,212.73 = 135,937.80/x - Step 3: Cross multiply
239,326.62x = 330,212.73 × 135,937.80 - Step 4: Simplify right side
239,326.62x = 44,888,392,048.19 - Step 5: Solve for x
x = 44,888,392,048.19/239,326.62 - Step 6: Final answer
x = 187,561.22
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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.