Finding the Fourth Proportional to 203,782.08, 305,275.44 and 133,448.16
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Solution
The fourth proportional to 203,782.08, 305,275.44 and 133,448.16 is: 199,911.82
Step by Step Solution
- Step 1: Write the proportion equation
203,782.08 : 305,275.44 = 133,448.16 : x - Step 2: Convert to fraction form
203,782.08/305,275.44 = 133,448.16/x - Step 3: Cross multiply
203,782.08x = 305,275.44 × 133,448.16 - Step 4: Simplify right side
203,782.08x = 40,738,445,761.19 - Step 5: Solve for x
x = 40,738,445,761.19/203,782.08 - Step 6: Final answer
x = 199,911.82
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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.