Finding the Fourth Proportional to 223,201.36, 307,903.62 and 142,544.08
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Solution
The fourth proportional to 223,201.36, 307,903.62 and 142,544.08 is: 196,637.86
Step by Step Solution
- Step 1: Write the proportion equation
223,201.36 : 307,903.62 = 142,544.08 : x - Step 2: Convert to fraction form
223,201.36/307,903.62 = 142,544.08/x - Step 3: Cross multiply
223,201.36x = 307,903.62 × 142,544.08 - Step 4: Simplify right side
223,201.36x = 43,889,838,241.57 - Step 5: Solve for x
x = 43,889,838,241.57/223,201.36 - Step 6: Final answer
x = 196,637.86
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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.