Finding the Fourth Proportional to 438,048.27, 656,973.32 and 201,163.23
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Solution
The fourth proportional to 438,048.27, 656,973.32 and 201,163.23 is: 301,699.34
Step by Step Solution
- Step 1: Write the proportion equation
438,048.27 : 656,973.32 = 201,163.23 : x - Step 2: Convert to fraction form
438,048.27/656,973.32 = 201,163.23/x - Step 3: Cross multiply
438,048.27x = 656,973.32 × 201,163.23 - Step 4: Simplify right side
438,048.27x = 132,158,874,069.21 - Step 5: Solve for x
x = 132,158,874,069.21/438,048.27 - Step 6: Final answer
x = 301,699.34
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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.