Finding the Fourth Proportional to 102,383.36, 153,469.82 and 39,188.66
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Solution
The fourth proportional to 102,383.36, 153,469.82 and 39,188.66 is: 58,742.72
Step by Step Solution
- Step 1: Write the proportion equation
102,383.36 : 153,469.82 = 39,188.66 : x - Step 2: Convert to fraction form
102,383.36/153,469.82 = 39,188.66/x - Step 3: Cross multiply
102,383.36x = 153,469.82 × 39,188.66 - Step 4: Simplify right side
102,383.36x = 6,014,276,596.24 - Step 5: Solve for x
x = 6,014,276,596.24/102,383.36 - Step 6: Final answer
x = 58,742.72
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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.