Finding the Fourth Proportional to 190,779.98, 263,277.36 and 119,201.49
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Solution
The fourth proportional to 190,779.98, 263,277.36 and 119,201.49 is: 164,498.68
Step by Step Solution
- Step 1: Write the proportion equation
190,779.98 : 263,277.36 = 119,201.49 : x - Step 2: Convert to fraction form
190,779.98/263,277.36 = 119,201.49/x - Step 3: Cross multiply
190,779.98x = 263,277.36 × 119,201.49 - Step 4: Simplify right side
190,779.98x = 31,383,053,595.27 - Step 5: Solve for x
x = 31,383,053,595.27/190,779.98 - Step 6: Final answer
x = 164,498.68
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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.