Finding the Fourth Proportional to 122,475.71, 183,713.57 and 38,243.09
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Solution
The fourth proportional to 122,475.71, 183,713.57 and 38,243.09 is: 57,364.63
Step by Step Solution
- Step 1: Write the proportion equation
122,475.71 : 183,713.57 = 38,243.09 : x - Step 2: Convert to fraction form
122,475.71/183,713.57 = 38,243.09/x - Step 3: Cross multiply
122,475.71x = 183,713.57 × 38,243.09 - Step 4: Simplify right side
122,475.71x = 7,025,773,673.16 - Step 5: Solve for x
x = 7,025,773,673.16/122,475.71 - Step 6: Final answer
x = 57,364.63
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1.5x scale
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.