Finding the Fourth Proportional to 118,213.74, 177,257.94 and 51,576.02
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Solution
The fourth proportional to 118,213.74, 177,257.94 and 51,576.02 is: 77,336.69
Step by Step Solution
- Step 1: Write the proportion equation
118,213.74 : 177,257.94 = 51,576.02 : x - Step 2: Convert to fraction form
118,213.74/177,257.94 = 51,576.02/x - Step 3: Cross multiply
118,213.74x = 177,257.94 × 51,576.02 - Step 4: Simplify right side
118,213.74x = 9,142,259,058.60 - Step 5: Solve for x
x = 9,142,259,058.60/118,213.74 - Step 6: Final answer
x = 77,336.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.