Finding the Fourth Proportional to 335,420.40, 503,033.40 and 122,163.60
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Solution
The fourth proportional to 335,420.40, 503,033.40 and 122,163.60 is: 183,210.00
Step by Step Solution
- Step 1: Write the proportion equation
335,420.40 : 503,033.40 = 122,163.60 : x - Step 2: Convert to fraction form
335,420.40/503,033.40 = 122,163.60/x - Step 3: Cross multiply
335,420.40x = 503,033.40 × 122,163.60 - Step 4: Simplify right side
335,420.40x = 61,452,371,064.24 - Step 5: Solve for x
x = 61,452,371,064.24/335,420.40 - Step 6: Final answer
x = 183,210.00
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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.