Finding the Fourth Proportional to 232,782.36, 321,163.02 and 135,963.96
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Solution
The fourth proportional to 232,782.36, 321,163.02 and 135,963.96 is: 187,585.50
Step by Step Solution
- Step 1: Write the proportion equation
232,782.36 : 321,163.02 = 135,963.96 : x - Step 2: Convert to fraction form
232,782.36/321,163.02 = 135,963.96/x - Step 3: Cross multiply
232,782.36x = 321,163.02 × 135,963.96 - Step 4: Simplify right side
232,782.36x = 43,666,596,004.76 - Step 5: Solve for x
x = 43,666,596,004.76/232,782.36 - Step 6: Final answer
x = 187,585.50
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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.