Finding the Fourth Proportional to 150,511.70, 207,708.56 and 82,534.88
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Solution
The fourth proportional to 150,511.70, 207,708.56 and 82,534.88 is: 113,899.45
Step by Step Solution
- Step 1: Write the proportion equation
150,511.70 : 207,708.56 = 82,534.88 : x - Step 2: Convert to fraction form
150,511.70/207,708.56 = 82,534.88/x - Step 3: Cross multiply
150,511.70x = 207,708.56 × 82,534.88 - Step 4: Simplify right side
150,511.70x = 17,143,199,623.36 - Step 5: Solve for x
x = 17,143,199,623.36/150,511.70 - Step 6: Final answer
x = 113,899.45
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1.5x scale
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.