Finding the Fourth Proportional to 449,988.21, 620,984.07 and 246,035.88
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Solution
The fourth proportional to 449,988.21, 620,984.07 and 246,035.88 is: 339,529.70
Step by Step Solution
- Step 1: Write the proportion equation
449,988.21 : 620,984.07 = 246,035.88 : x - Step 2: Convert to fraction form
449,988.21/620,984.07 = 246,035.88/x - Step 3: Cross multiply
449,988.21x = 620,984.07 × 246,035.88 - Step 4: Simplify right side
449,988.21x = 152,784,362,128.43 - Step 5: Solve for x
x = 152,784,362,128.43/449,988.21 - Step 6: Final answer
x = 339,529.70
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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.