Finding the Fourth Proportional to 215,743.36, 323,187.86 and 101,735.08
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Solution
The fourth proportional to 215,743.36, 323,187.86 and 101,735.08 is: 152,401.18
Step by Step Solution
- Step 1: Write the proportion equation
215,743.36 : 323,187.86 = 101,735.08 : x - Step 2: Convert to fraction form
215,743.36/323,187.86 = 101,735.08/x - Step 3: Cross multiply
215,743.36x = 323,187.86 × 101,735.08 - Step 4: Simplify right side
215,743.36x = 32,879,542,792.13 - Step 5: Solve for x
x = 32,879,542,792.13/215,743.36 - Step 6: Final answer
x = 152,401.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.