Finding the Fourth Proportional to 254,747.13, 350,943.44 and 178,122.85
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Solution
The fourth proportional to 254,747.13, 350,943.44 and 178,122.85 is: 245,384.69
Step by Step Solution
- Step 1: Write the proportion equation
254,747.13 : 350,943.44 = 178,122.85 : x - Step 2: Convert to fraction form
254,747.13/350,943.44 = 178,122.85/x - Step 3: Cross multiply
254,747.13x = 350,943.44 × 178,122.85 - Step 4: Simplify right side
254,747.13x = 62,511,043,953.63 - Step 5: Solve for x
x = 62,511,043,953.63/254,747.13 - Step 6: Final answer
x = 245,384.69
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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.