Finding the Fourth Proportional to 122,255.87, 183,427.43 and 74,322.00
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Solution
The fourth proportional to 122,255.87, 183,427.43 and 74,322.00 is: 111,509.52
Step by Step Solution
- Step 1: Write the proportion equation
122,255.87 : 183,427.43 = 74,322.00 : x - Step 2: Convert to fraction form
122,255.87/183,427.43 = 74,322.00/x - Step 3: Cross multiply
122,255.87x = 183,427.43 × 74,322.00 - Step 4: Simplify right side
122,255.87x = 13,632,692,721.13 - Step 5: Solve for x
x = 13,632,692,721.13/122,255.87 - Step 6: Final answer
x = 111,509.52
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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.