Finding the Fourth Proportional to 190,889.36, 263,559.12 and 119,301.56
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Solution
The fourth proportional to 190,889.36, 263,559.12 and 119,301.56 is: 164,718.53
Step by Step Solution
- Step 1: Write the proportion equation
190,889.36 : 263,559.12 = 119,301.56 : x - Step 2: Convert to fraction form
190,889.36/263,559.12 = 119,301.56/x - Step 3: Cross multiply
190,889.36x = 263,559.12 × 119,301.56 - Step 4: Simplify right side
190,889.36x = 31,443,014,168.23 - Step 5: Solve for x
x = 31,443,014,168.23/190,889.36 - Step 6: Final answer
x = 164,718.53
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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.