Finding the Fourth Proportional to 122,489.24, 183,803.92 and 47,599.60
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Solution
The fourth proportional to 122,489.24, 183,803.92 and 47,599.60 is: 71,426.63
Step by Step Solution
- Step 1: Write the proportion equation
122,489.24 : 183,803.92 = 47,599.60 : x - Step 2: Convert to fraction form
122,489.24/183,803.92 = 47,599.60/x - Step 3: Cross multiply
122,489.24x = 183,803.92 × 47,599.60 - Step 4: Simplify right side
122,489.24x = 8,748,993,070.43 - Step 5: Solve for x
x = 8,748,993,070.43/122,489.24 - Step 6: Final answer
x = 71,426.63
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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.