Finding the Fourth Proportional to 190,197.12, 262,397.16 and 122,203.92
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Solution
The fourth proportional to 190,197.12, 262,397.16 and 122,203.92 is: 168,593.31
Step by Step Solution
- Step 1: Write the proportion equation
190,197.12 : 262,397.16 = 122,203.92 : x - Step 2: Convert to fraction form
190,197.12/262,397.16 = 122,203.92/x - Step 3: Cross multiply
190,197.12x = 262,397.16 × 122,203.92 - Step 4: Simplify right side
190,197.12x = 32,065,961,548.87 - Step 5: Solve for x
x = 32,065,961,548.87/190,197.12 - Step 6: Final answer
x = 168,593.31
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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.