Finding the Fourth Proportional to 251,288.14, 346,778.40 and 143,858.97
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Solution
The fourth proportional to 251,288.14, 346,778.40 and 143,858.97 is: 198,525.82
Step by Step Solution
- Step 1: Write the proportion equation
251,288.14 : 346,778.40 = 143,858.97 : x - Step 2: Convert to fraction form
251,288.14/346,778.40 = 143,858.97/x - Step 3: Cross multiply
251,288.14x = 346,778.40 × 143,858.97 - Step 4: Simplify right side
251,288.14x = 49,887,183,442.25 - Step 5: Solve for x
x = 49,887,183,442.25/251,288.14 - Step 6: Final answer
x = 198,525.82
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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.