Finding the Fourth Proportional to 232,595.26, 320,989.21 and 130,638.69
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Solution
The fourth proportional to 232,595.26, 320,989.21 and 130,638.69 is: 180,285.75
Step by Step Solution
- Step 1: Write the proportion equation
232,595.26 : 320,989.21 = 130,638.69 : x - Step 2: Convert to fraction form
232,595.26/320,989.21 = 130,638.69/x - Step 3: Cross multiply
232,595.26x = 320,989.21 × 130,638.69 - Step 4: Simplify right side
232,595.26x = 41,933,609,571.94 - Step 5: Solve for x
x = 41,933,609,571.94/232,595.26 - Step 6: Final answer
x = 180,285.75
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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.