Finding the Fourth Proportional to 252,934.56, 349,032.24 and 139,765.68
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Solution
The fourth proportional to 252,934.56, 349,032.24 and 139,765.68 is: 192,866.99
Step by Step Solution
- Step 1: Write the proportion equation
252,934.56 : 349,032.24 = 139,765.68 : x - Step 2: Convert to fraction form
252,934.56/349,032.24 = 139,765.68/x - Step 3: Cross multiply
252,934.56x = 349,032.24 × 139,765.68 - Step 4: Simplify right side
252,934.56x = 48,782,728,365.52 - Step 5: Solve for x
x = 48,782,728,365.52/252,934.56 - Step 6: Final answer
x = 192,866.99
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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.