Finding the Fourth Proportional to 81,448.16, 122,202.48 and 26,048.48
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Solution
The fourth proportional to 81,448.16, 122,202.48 and 26,048.48 is: 39,082.39
Step by Step Solution
- Step 1: Write the proportion equation
81,448.16 : 122,202.48 = 26,048.48 : x - Step 2: Convert to fraction form
81,448.16/122,202.48 = 26,048.48/x - Step 3: Cross multiply
81,448.16x = 122,202.48 × 26,048.48 - Step 4: Simplify right side
81,448.16x = 3,183,188,856.23 - Step 5: Solve for x
x = 3,183,188,856.23/81,448.16 - Step 6: Final answer
x = 39,082.39
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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.