Finding the Fourth Proportional to 108,954.32, 150,296.28 and 101,247.99
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Solution
The fourth proportional to 108,954.32, 150,296.28 and 101,247.99 is: 139,665.84
Step by Step Solution
- Step 1: Write the proportion equation
108,954.32 : 150,296.28 = 101,247.99 : x - Step 2: Convert to fraction form
108,954.32/150,296.28 = 101,247.99/x - Step 3: Cross multiply
108,954.32x = 150,296.28 × 101,247.99 - Step 4: Simplify right side
108,954.32x = 15,217,196,254.48 - Step 5: Solve for x
x = 15,217,196,254.48/108,954.32 - Step 6: Final answer
x = 139,665.84
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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.