Finding the Fourth Proportional to 150,666.60, 207,919.24 and 82,684.68
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Solution
The fourth proportional to 150,666.60, 207,919.24 and 82,684.68 is: 114,104.49
Step by Step Solution
- Step 1: Write the proportion equation
150,666.60 : 207,919.24 = 82,684.68 : x - Step 2: Convert to fraction form
150,666.60/207,919.24 = 82,684.68/x - Step 3: Cross multiply
150,666.60x = 207,919.24 × 82,684.68 - Step 4: Simplify right side
150,666.60x = 17,191,735,825.24 - Step 5: Solve for x
x = 17,191,735,825.24/150,666.60 - Step 6: Final answer
x = 114,104.49
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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.