Finding the Fourth Proportional to 203,771.08, 305,258.94 and 133,437.16
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Solution
The fourth proportional to 203,771.08, 305,258.94 and 133,437.16 is: 199,895.32
Step by Step Solution
- Step 1: Write the proportion equation
203,771.08 : 305,258.94 = 133,437.16 : x - Step 2: Convert to fraction form
203,771.08/305,258.94 = 133,437.16/x - Step 3: Cross multiply
203,771.08x = 305,258.94 × 133,437.16 - Step 4: Simplify right side
203,771.08x = 40,732,886,018.21 - Step 5: Solve for x
x = 40,732,886,018.21/203,771.08 - Step 6: Final answer
x = 199,895.32
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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.