Finding the Fourth Proportional to 150,515.84, 207,714.19 and 82,539.02
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Solution
The fourth proportional to 150,515.84, 207,714.19 and 82,539.02 is: 113,905.12
Step by Step Solution
- Step 1: Write the proportion equation
150,515.84 : 207,714.19 = 82,539.02 : x - Step 2: Convert to fraction form
150,515.84/207,714.19 = 82,539.02/x - Step 3: Cross multiply
150,515.84x = 207,714.19 × 82,539.02 - Step 4: Simplify right side
150,515.84x = 17,144,524,437.78 - Step 5: Solve for x
x = 17,144,524,437.78/150,515.84 - Step 6: Final answer
x = 113,905.12
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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.