Finding the Fourth Proportional to 190,138.55, 262,394.30 and 104,096.09
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Solution
The fourth proportional to 190,138.55, 262,394.30 and 104,096.09 is: 143,654.31
Step by Step Solution
- Step 1: Write the proportion equation
190,138.55 : 262,394.30 = 104,096.09 : x - Step 2: Convert to fraction form
190,138.55/262,394.30 = 104,096.09/x - Step 3: Cross multiply
190,138.55x = 262,394.30 × 104,096.09 - Step 4: Simplify right side
190,138.55x = 27,314,221,988.59 - Step 5: Solve for x
x = 27,314,221,988.59/190,138.55 - Step 6: Final answer
x = 143,654.31
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1.5x scale
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.