Finding the Fourth Proportional to 202,955.24, 280,190.85 and 122,403.26
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Solution
The fourth proportional to 202,955.24, 280,190.85 and 122,403.26 is: 168,984.42
Step by Step Solution
- Step 1: Write the proportion equation
202,955.24 : 280,190.85 = 122,403.26 : x - Step 2: Convert to fraction form
202,955.24/280,190.85 = 122,403.26/x - Step 3: Cross multiply
202,955.24x = 280,190.85 × 122,403.26 - Step 4: Simplify right side
202,955.24x = 34,296,273,462.17 - Step 5: Solve for x
x = 34,296,273,462.17/202,955.24 - Step 6: Final answer
x = 168,984.42
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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.