Finding the Fourth Proportional to 331,214.10, 496,903.95 and 106,595.70
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Solution
The fourth proportional to 331,214.10, 496,903.95 and 106,595.70 is: 159,920.20
Step by Step Solution
- Step 1: Write the proportion equation
331,214.10 : 496,903.95 = 106,595.70 : x - Step 2: Convert to fraction form
331,214.10/496,903.95 = 106,595.70/x - Step 3: Cross multiply
331,214.10x = 496,903.95 × 106,595.70 - Step 4: Simplify right side
331,214.10x = 52,967,824,383.02 - Step 5: Solve for x
x = 52,967,824,383.02/331,214.10 - Step 6: Final answer
x = 159,920.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.