Finding the Fourth Proportional to 201,352.70, 301,840.43 and 68,139.70
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Solution
The fourth proportional to 201,352.70, 301,840.43 and 68,139.70 is: 102,145.71
Step by Step Solution
- Step 1: Write the proportion equation
201,352.70 : 301,840.43 = 68,139.70 : x - Step 2: Convert to fraction form
201,352.70/301,840.43 = 68,139.70/x - Step 3: Cross multiply
201,352.70x = 301,840.43 × 68,139.70 - Step 4: Simplify right side
201,352.70x = 20,567,315,252.77 - Step 5: Solve for x
x = 20,567,315,252.77/201,352.70 - Step 6: Final answer
x = 102,145.71
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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.