Finding the Fourth Proportional to 222,430.37, 306,941.52 and 125,654.09
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Solution
The fourth proportional to 222,430.37, 306,941.52 and 125,654.09 is: 173,395.64
Step by Step Solution
- Step 1: Write the proportion equation
222,430.37 : 306,941.52 = 125,654.09 : x - Step 2: Convert to fraction form
222,430.37/306,941.52 = 125,654.09/x - Step 3: Cross multiply
222,430.37x = 306,941.52 × 125,654.09 - Step 4: Simplify right side
222,430.37x = 38,568,455,873.56 - Step 5: Solve for x
x = 38,568,455,873.56/222,430.37 - Step 6: Final answer
x = 173,395.64
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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.