Finding the Fourth Proportional to 235,502.88, 324,992.37 and 128,072.62
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Solution
The fourth proportional to 235,502.88, 324,992.37 and 128,072.62 is: 176,739.34
Step by Step Solution
- Step 1: Write the proportion equation
235,502.88 : 324,992.37 = 128,072.62 : x - Step 2: Convert to fraction form
235,502.88/324,992.37 = 128,072.62/x - Step 3: Cross multiply
235,502.88x = 324,992.37 × 128,072.62 - Step 4: Simplify right side
235,502.88x = 41,622,624,305.91 - Step 5: Solve for x
x = 41,622,624,305.91/235,502.88 - Step 6: Final answer
x = 176,739.34
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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.