Finding the Fourth Proportional to 149,617.99, 224,424.80 and 69,611.21
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Solution
The fourth proportional to 149,617.99, 224,424.80 and 69,611.21 is: 104,415.80
Step by Step Solution
- Step 1: Write the proportion equation
149,617.99 : 224,424.80 = 69,611.21 : x - Step 2: Convert to fraction form
149,617.99/224,424.80 = 69,611.21/x - Step 3: Cross multiply
149,617.99x = 224,424.80 × 69,611.21 - Step 4: Simplify right side
149,617.99x = 15,622,481,882.01 - Step 5: Solve for x
x = 15,622,481,882.01/149,617.99 - Step 6: Final answer
x = 104,415.80
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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.