Finding the Fourth Proportional to 471,245.19, 650,321.19 and 256,386.79
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Solution
The fourth proportional to 471,245.19, 650,321.19 and 256,386.79 is: 353,815.32
Step by Step Solution
- Step 1: Write the proportion equation
471,245.19 : 650,321.19 = 256,386.79 : x - Step 2: Convert to fraction form
471,245.19/650,321.19 = 256,386.79/x - Step 3: Cross multiply
471,245.19x = 650,321.19 × 256,386.79 - Step 4: Simplify right side
471,245.19x = 166,733,766,096.64 - Step 5: Solve for x
x = 166,733,766,096.64/471,245.19 - Step 6: Final answer
x = 353,815.32
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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.