Finding the Fourth Proportional to 201,924.98, 278,658.36 and 111,284.26
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Solution
The fourth proportional to 201,924.98, 278,658.36 and 111,284.26 is: 153,573.32
Step by Step Solution
- Step 1: Write the proportion equation
201,924.98 : 278,658.36 = 111,284.26 : x - Step 2: Convert to fraction form
201,924.98/278,658.36 = 111,284.26/x - Step 3: Cross multiply
201,924.98x = 278,658.36 × 111,284.26 - Step 4: Simplify right side
201,924.98x = 31,010,288,688.77 - Step 5: Solve for x
x = 31,010,288,688.77/201,924.98 - Step 6: Final answer
x = 153,573.32
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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.