Finding the Fourth Proportional to 150,147.11, 207,202.99 and 82,164.09
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Solution
The fourth proportional to 150,147.11, 207,202.99 and 82,164.09 is: 113,386.43
Step by Step Solution
- Step 1: Write the proportion equation
150,147.11 : 207,202.99 = 82,164.09 : x - Step 2: Convert to fraction form
150,147.11/207,202.99 = 82,164.09/x - Step 3: Cross multiply
150,147.11x = 207,202.99 × 82,164.09 - Step 4: Simplify right side
150,147.11x = 17,024,645,118.63 - Step 5: Solve for x
x = 17,024,645,118.63/150,147.11 - Step 6: Final answer
x = 113,386.43
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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.