Finding the Fourth Proportional to 222,206.13, 306,644.26 and 125,430.36
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Solution
The fourth proportional to 222,206.13, 306,644.26 and 125,430.36 is: 173,093.78
Step by Step Solution
- Step 1: Write the proportion equation
222,206.13 : 306,644.26 = 125,430.36 : x - Step 2: Convert to fraction form
222,206.13/306,644.26 = 125,430.36/x - Step 3: Cross multiply
222,206.13x = 306,644.26 × 125,430.36 - Step 4: Simplify right side
222,206.13x = 38,462,499,923.73 - Step 5: Solve for x
x = 38,462,499,923.73/222,206.13 - Step 6: Final answer
x = 173,093.78
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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.