Finding the Fourth Proportional to 323,478.48, 446,394.36 and 180,235.44
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Solution
The fourth proportional to 323,478.48, 446,394.36 and 180,235.44 is: 248,721.60
Step by Step Solution
- Step 1: Write the proportion equation
323,478.48 : 446,394.36 = 180,235.44 : x - Step 2: Convert to fraction form
323,478.48/446,394.36 = 180,235.44/x - Step 3: Cross multiply
323,478.48x = 446,394.36 × 180,235.44 - Step 4: Simplify right side
323,478.48x = 80,456,083,888.12 - Step 5: Solve for x
x = 80,456,083,888.12/323,478.48 - Step 6: Final answer
x = 248,721.60
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1.5x scale
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.