Finding the Fourth Proportional to 239,320.41, 330,257.73 and 130,425.62
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Solution
The fourth proportional to 239,320.41, 330,257.73 and 130,425.62 is: 179,984.94
Step by Step Solution
- Step 1: Write the proportion equation
239,320.41 : 330,257.73 = 130,425.62 : x - Step 2: Convert to fraction form
239,320.41/330,257.73 = 130,425.62/x - Step 3: Cross multiply
239,320.41x = 330,257.73 × 130,425.62 - Step 4: Simplify right side
239,320.41x = 43,074,068,594.88 - Step 5: Solve for x
x = 43,074,068,594.88/239,320.41 - Step 6: Final answer
x = 179,984.94
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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.