Finding the Fourth Proportional to 451,114.56, 622,558.68 and 257,574.63
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Solution
The fourth proportional to 451,114.56, 622,558.68 and 257,574.63 is: 355,464.74
Step by Step Solution
- Step 1: Write the proportion equation
451,114.56 : 622,558.68 = 257,574.63 : x - Step 2: Convert to fraction form
451,114.56/622,558.68 = 257,574.63/x - Step 3: Cross multiply
451,114.56x = 622,558.68 × 257,574.63 - Step 4: Simplify right side
451,114.56x = 160,355,321,654.29 - Step 5: Solve for x
x = 160,355,321,654.29/451,114.56 - Step 6: Final answer
x = 355,464.74
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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.