Finding the Fourth Proportional to 139,070.44, 207,598.49 and 122,255.56
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Solution
The fourth proportional to 139,070.44, 207,598.49 and 122,255.56 is: 182,497.95
Step by Step Solution
- Step 1: Write the proportion equation
139,070.44 : 207,598.49 = 122,255.56 : x - Step 2: Convert to fraction form
139,070.44/207,598.49 = 122,255.56/x - Step 3: Cross multiply
139,070.44x = 207,598.49 × 122,255.56 - Step 4: Simplify right side
139,070.44x = 25,380,069,650.10 - Step 5: Solve for x
x = 25,380,069,650.10/139,070.44 - Step 6: Final answer
x = 182,497.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.