Finding the Fourth Proportional to 471,587.63, 650,789.84 and 256,729.19
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Solution
The fourth proportional to 471,587.63, 650,789.84 and 256,729.19 is: 354,285.69
Step by Step Solution
- Step 1: Write the proportion equation
471,587.63 : 650,789.84 = 256,729.19 : x - Step 2: Convert to fraction form
471,587.63/650,789.84 = 256,729.19/x - Step 3: Cross multiply
471,587.63x = 650,789.84 × 256,729.19 - Step 4: Simplify right side
471,587.63x = 167,076,745,871.30 - Step 5: Solve for x
x = 167,076,745,871.30/471,587.63 - Step 6: Final answer
x = 354,285.69
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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.