Finding the Fourth Proportional to 203,313.66, 280,580.10 and 122,725.44
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Solution
The fourth proportional to 203,313.66, 280,580.10 and 122,725.44 is: 169,365.48
Step by Step Solution
- Step 1: Write the proportion equation
203,313.66 : 280,580.10 = 122,725.44 : x - Step 2: Convert to fraction form
203,313.66/280,580.10 = 122,725.44/x - Step 3: Cross multiply
203,313.66x = 280,580.10 × 122,725.44 - Step 4: Simplify right side
203,313.66x = 34,434,316,227.74 - Step 5: Solve for x
x = 34,434,316,227.74/203,313.66 - Step 6: Final answer
x = 169,365.48
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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.