Finding the Fourth Proportional to 213,908.21, 295,209.73 and 122,029.52
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Solution
The fourth proportional to 213,908.21, 295,209.73 and 122,029.52 is: 168,410.09
Step by Step Solution
- Step 1: Write the proportion equation
213,908.21 : 295,209.73 = 122,029.52 : x - Step 2: Convert to fraction form
213,908.21/295,209.73 = 122,029.52/x - Step 3: Cross multiply
213,908.21x = 295,209.73 × 122,029.52 - Step 4: Simplify right side
213,908.21x = 36,024,301,651.23 - Step 5: Solve for x
x = 36,024,301,651.23/213,908.21 - Step 6: Final answer
x = 168,410.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.