Finding the Fourth Proportional to 190,893.11, 263,564.30 and 119,305.31
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Solution
The fourth proportional to 190,893.11, 263,564.30 and 119,305.31 is: 164,723.70
Step by Step Solution
- Step 1: Write the proportion equation
190,893.11 : 263,564.30 = 119,305.31 : x - Step 2: Convert to fraction form
190,893.11/263,564.30 = 119,305.31/x - Step 3: Cross multiply
190,893.11x = 263,564.30 × 119,305.31 - Step 4: Simplify right side
190,893.11x = 31,444,619,919.91 - Step 5: Solve for x
x = 31,444,619,919.91/190,893.11 - Step 6: Final answer
x = 164,723.70
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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.