Finding the Fourth Proportional to 150,389.21, 207,528.17 and 82,392.65
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Solution
The fourth proportional to 150,389.21, 207,528.17 and 82,392.65 is: 113,696.96
Step by Step Solution
- Step 1: Write the proportion equation
150,389.21 : 207,528.17 = 82,392.65 : x - Step 2: Convert to fraction form
150,389.21/207,528.17 = 82,392.65/x - Step 3: Cross multiply
150,389.21x = 207,528.17 × 82,392.65 - Step 4: Simplify right side
150,389.21x = 17,098,795,463.99 - Step 5: Solve for x
x = 17,098,795,463.99/150,389.21 - Step 6: Final answer
x = 113,696.96
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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.