Finding the Fourth Proportional to 223,103.36, 307,768.56 and 142,446.08
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Solution
The fourth proportional to 223,103.36, 307,768.56 and 142,446.08 is: 196,502.76
Step by Step Solution
- Step 1: Write the proportion equation
223,103.36 : 307,768.56 = 142,446.08 : x - Step 2: Convert to fraction form
223,103.36/307,768.56 = 142,446.08/x - Step 3: Cross multiply
223,103.36x = 307,768.56 × 142,446.08 - Step 4: Simplify right side
223,103.36x = 43,840,424,919.24 - Step 5: Solve for x
x = 43,840,424,919.24/223,103.36 - Step 6: Final answer
x = 196,502.76
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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.