Finding the Fourth Proportional to 122,519.17, 183,790.10 and 47,644.95
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Solution
The fourth proportional to 122,519.17, 183,790.10 and 47,644.95 is: 71,471.84
Step by Step Solution
- Step 1: Write the proportion equation
122,519.17 : 183,790.10 = 47,644.95 : x - Step 2: Convert to fraction form
122,519.17/183,790.10 = 47,644.95/x - Step 3: Cross multiply
122,519.17x = 183,790.10 × 47,644.95 - Step 4: Simplify right side
122,519.17x = 8,756,670,125.00 - Step 5: Solve for x
x = 8,756,670,125.00/122,519.17 - Step 6: Final answer
x = 71,471.84
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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.