Finding the Fourth Proportional to 440,188.10, 658,532.55 and 381,673.70
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Solution
The fourth proportional to 440,188.10, 658,532.55 and 381,673.70 is: 570,993.53
Step by Step Solution
- Step 1: Write the proportion equation
440,188.10 : 658,532.55 = 381,673.70 : x - Step 2: Convert to fraction form
440,188.10/658,532.55 = 381,673.70/x - Step 3: Cross multiply
440,188.10x = 658,532.55 × 381,673.70 - Step 4: Simplify right side
440,188.10x = 251,344,554,928.94 - Step 5: Solve for x
x = 251,344,554,928.94/440,188.10 - Step 6: Final answer
x = 570,993.53
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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.