Finding the Fourth Proportional to 412,064.21, 618,307.26 and 196,167.26
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Solution
The fourth proportional to 412,064.21, 618,307.26 and 196,167.26 is: 294,351.32
Step by Step Solution
- Step 1: Write the proportion equation
412,064.21 : 618,307.26 = 196,167.26 : x - Step 2: Convert to fraction form
412,064.21/618,307.26 = 196,167.26/x - Step 3: Cross multiply
412,064.21x = 618,307.26 × 196,167.26 - Step 4: Simplify right side
412,064.21x = 121,291,641,032.31 - Step 5: Solve for x
x = 121,291,641,032.31/412,064.21 - Step 6: Final answer
x = 294,351.32
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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.