Finding the Fourth Proportional to 173,791.71, 239,940.90 and 133,425.09
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Solution
The fourth proportional to 173,791.71, 239,940.90 and 133,425.09 is: 184,209.80
Step by Step Solution
- Step 1: Write the proportion equation
173,791.71 : 239,940.90 = 133,425.09 : x - Step 2: Convert to fraction form
173,791.71/239,940.90 = 133,425.09/x - Step 3: Cross multiply
173,791.71x = 239,940.90 × 133,425.09 - Step 4: Simplify right side
173,791.71x = 32,014,136,177.18 - Step 5: Solve for x
x = 32,014,136,177.18/173,791.71 - Step 6: Final answer
x = 184,209.80
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1.5x scale
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.