Finding the Fourth Proportional to 122,529.27, 183,805.26 and 47,655.05
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Solution
The fourth proportional to 122,529.27, 183,805.26 and 47,655.05 is: 71,486.99
Step by Step Solution
- Step 1: Write the proportion equation
122,529.27 : 183,805.26 = 47,655.05 : x - Step 2: Convert to fraction form
122,529.27/183,805.26 = 47,655.05/x - Step 3: Cross multiply
122,529.27x = 183,805.26 × 47,655.05 - Step 4: Simplify right side
122,529.27x = 8,759,248,855.56 - Step 5: Solve for x
x = 8,759,248,855.56/122,529.27 - Step 6: Final answer
x = 71,486.99
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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.