Finding the Fourth Proportional to 122,372.10, 183,412.35 and 51,294.60
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Solution
The fourth proportional to 122,372.10, 183,412.35 and 51,294.60 is: 76,880.79
Step by Step Solution
- Step 1: Write the proportion equation
122,372.10 : 183,412.35 = 51,294.60 : x - Step 2: Convert to fraction form
122,372.10/183,412.35 = 51,294.60/x - Step 3: Cross multiply
122,372.10x = 183,412.35 × 51,294.60 - Step 4: Simplify right side
122,372.10x = 9,408,063,128.31 - Step 5: Solve for x
x = 9,408,063,128.31/122,372.10 - Step 6: Final answer
x = 76,880.79
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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.