Finding the Fourth Proportional to 142,433.44, 213,633.84 and 37,262.56
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Solution
The fourth proportional to 142,433.44, 213,633.84 and 37,262.56 is: 55,889.57
Step by Step Solution
- Step 1: Write the proportion equation
142,433.44 : 213,633.84 = 37,262.56 : x - Step 2: Convert to fraction form
142,433.44/213,633.84 = 37,262.56/x - Step 3: Cross multiply
142,433.44x = 213,633.84 × 37,262.56 - Step 4: Simplify right side
142,433.44x = 7,960,543,781.03 - Step 5: Solve for x
x = 7,960,543,781.03/142,433.44 - Step 6: Final answer
x = 55,889.57
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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.