Finding the Fourth Proportional to 190,515.26, 285,772.97 and 57,395.54
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Solution
The fourth proportional to 190,515.26, 285,772.97 and 57,395.54 is: 86,093.34
Step by Step Solution
- Step 1: Write the proportion equation
190,515.26 : 285,772.97 = 57,395.54 : x - Step 2: Convert to fraction form
190,515.26/285,772.97 = 57,395.54/x - Step 3: Cross multiply
190,515.26x = 285,772.97 × 57,395.54 - Step 4: Simplify right side
190,515.26x = 16,402,094,788.48 - Step 5: Solve for x
x = 16,402,094,788.48/190,515.26 - Step 6: Final answer
x = 86,093.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.