Finding the Fourth Proportional to 190,791.18, 263,291.58 and 105,908.04
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Solution
The fourth proportional to 190,791.18, 263,291.58 and 105,908.04 is: 146,152.96
Step by Step Solution
- Step 1: Write the proportion equation
190,791.18 : 263,291.58 = 105,908.04 : x - Step 2: Convert to fraction form
190,791.18/263,291.58 = 105,908.04/x - Step 3: Cross multiply
190,791.18x = 263,291.58 × 105,908.04 - Step 4: Simplify right side
190,791.18x = 27,884,695,186.30 - Step 5: Solve for x
x = 27,884,695,186.30/190,791.18 - Step 6: Final answer
x = 146,152.96
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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.