Finding the Fourth Proportional to 476,157.56, 657,107.34 and 261,285.08
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Solution
The fourth proportional to 476,157.56, 657,107.34 and 261,285.08 is: 360,578.85
Step by Step Solution
- Step 1: Write the proportion equation
476,157.56 : 657,107.34 = 261,285.08 : x - Step 2: Convert to fraction form
476,157.56/657,107.34 = 261,285.08/x - Step 3: Cross multiply
476,157.56x = 657,107.34 × 261,285.08 - Step 4: Simplify right side
476,157.56x = 171,692,343,900.49 - Step 5: Solve for x
x = 171,692,343,900.49/476,157.56 - Step 6: Final answer
x = 360,578.85
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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.