Finding the Fourth Proportional to 164,370.30, 246,350.97 and 85,438.14
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Solution
The fourth proportional to 164,370.30, 246,350.97 and 85,438.14 is: 128,050.92
Step by Step Solution
- Step 1: Write the proportion equation
164,370.30 : 246,350.97 = 85,438.14 : x - Step 2: Convert to fraction form
164,370.30/246,350.97 = 85,438.14/x - Step 3: Cross multiply
164,370.30x = 246,350.97 × 85,438.14 - Step 4: Simplify right side
164,370.30x = 21,047,768,664.00 - Step 5: Solve for x
x = 21,047,768,664.00/164,370.30 - Step 6: Final answer
x = 128,050.92
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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.