Finding the Fourth Proportional to 239,581.45, 330,278.70 and 188,506.09
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Solution
The fourth proportional to 239,581.45, 330,278.70 and 188,506.09 is: 259,867.98
Step by Step Solution
- Step 1: Write the proportion equation
239,581.45 : 330,278.70 = 188,506.09 : x - Step 2: Convert to fraction form
239,581.45/330,278.70 = 188,506.09/x - Step 3: Cross multiply
239,581.45x = 330,278.70 × 188,506.09 - Step 4: Simplify right side
239,581.45x = 62,259,546,347.28 - Step 5: Solve for x
x = 62,259,546,347.28/239,581.45 - Step 6: Final answer
x = 259,867.98
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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.