Finding the Fourth Proportional to 150,132.36, 207,179.46 and 82,149.06
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Solution
The fourth proportional to 150,132.36, 207,179.46 and 82,149.06 is: 113,363.95
Step by Step Solution
- Step 1: Write the proportion equation
150,132.36 : 207,179.46 = 82,149.06 : x - Step 2: Convert to fraction form
150,132.36/207,179.46 = 82,149.06/x - Step 3: Cross multiply
150,132.36x = 207,179.46 × 82,149.06 - Step 4: Simplify right side
150,132.36x = 17,019,597,890.31 - Step 5: Solve for x
x = 17,019,597,890.31/150,132.36 - Step 6: Final answer
x = 113,363.95
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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.