Finding the Fourth Proportional to 122,396.56, 183,594.84 and 39,348.88
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Solution
The fourth proportional to 122,396.56, 183,594.84 and 39,348.88 is: 59,023.32
Step by Step Solution
- Step 1: Write the proportion equation
122,396.56 : 183,594.84 = 39,348.88 : x - Step 2: Convert to fraction form
122,396.56/183,594.84 = 39,348.88/x - Step 3: Cross multiply
122,396.56x = 183,594.84 × 39,348.88 - Step 4: Simplify right side
122,396.56x = 7,224,251,327.78 - Step 5: Solve for x
x = 7,224,251,327.78/122,396.56 - Step 6: Final answer
x = 59,023.32
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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.