Finding the Fourth Proportional to 213,158.16, 294,121.44 and 122,492.88
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Solution
The fourth proportional to 213,158.16, 294,121.44 and 122,492.88 is: 169,019.02
Step by Step Solution
- Step 1: Write the proportion equation
213,158.16 : 294,121.44 = 122,492.88 : x - Step 2: Convert to fraction form
213,158.16/294,121.44 = 122,492.88/x - Step 3: Cross multiply
213,158.16x = 294,121.44 × 122,492.88 - Step 4: Simplify right side
213,158.16x = 36,027,782,255.35 - Step 5: Solve for x
x = 36,027,782,255.35/213,158.16 - Step 6: Final answer
x = 169,019.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.