Finding the Fourth Proportional to 150,422.16, 207,582.62 and 82,441.83
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Solution
The fourth proportional to 150,422.16, 207,582.62 and 82,441.83 is: 113,769.75
Step by Step Solution
- Step 1: Write the proportion equation
150,422.16 : 207,582.62 = 82,441.83 : x - Step 2: Convert to fraction form
150,422.16/207,582.62 = 82,441.83/x - Step 3: Cross multiply
150,422.16x = 207,582.62 × 82,441.83 - Step 4: Simplify right side
150,422.16x = 17,113,491,068.99 - Step 5: Solve for x
x = 17,113,491,068.99/150,422.16 - Step 6: Final answer
x = 113,769.75
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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.