Finding the Fourth Proportional to 324,135.36, 447,329.26 and 180,923.32
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Solution
The fourth proportional to 324,135.36, 447,329.26 and 180,923.32 is: 249,686.72
Step by Step Solution
- Step 1: Write the proportion equation
324,135.36 : 447,329.26 = 180,923.32 : x - Step 2: Convert to fraction form
324,135.36/447,329.26 = 180,923.32/x - Step 3: Cross multiply
324,135.36x = 447,329.26 × 180,923.32 - Step 4: Simplify right side
324,135.36x = 80,932,294,852.34 - Step 5: Solve for x
x = 80,932,294,852.34/324,135.36 - Step 6: Final answer
x = 249,686.72
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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.