Finding the Fourth Proportional to 119,038.81, 164,273.84 and 65,324.26
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Solution
The fourth proportional to 119,038.81, 164,273.84 and 65,324.26 is: 90,147.63
Step by Step Solution
- Step 1: Write the proportion equation
119,038.81 : 164,273.84 = 65,324.26 : x - Step 2: Convert to fraction form
119,038.81/164,273.84 = 65,324.26/x - Step 3: Cross multiply
119,038.81x = 164,273.84 × 65,324.26 - Step 4: Simplify right side
119,038.81x = 10,731,067,035.36 - Step 5: Solve for x
x = 10,731,067,035.36/119,038.81 - Step 6: Final answer
x = 90,147.63
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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.