Finding the Fourth Proportional to 254,542.42, 351,226.38 and 147,122.48
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Solution
The fourth proportional to 254,542.42, 351,226.38 and 147,122.48 is: 203,004.65
Step by Step Solution
- Step 1: Write the proportion equation
254,542.42 : 351,226.38 = 147,122.48 : x - Step 2: Convert to fraction form
254,542.42/351,226.38 = 147,122.48/x - Step 3: Cross multiply
254,542.42x = 351,226.38 × 147,122.48 - Step 4: Simplify right side
254,542.42x = 51,673,296,067.02 - Step 5: Solve for x
x = 51,673,296,067.02/254,542.42 - Step 6: Final answer
x = 203,004.65
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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.