Finding the Fourth Proportional to 331,254.03, 496,927.51 and 162,780.99
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Solution
The fourth proportional to 331,254.03, 496,927.51 and 162,780.99 is: 244,194.31
Step by Step Solution
- Step 1: Write the proportion equation
331,254.03 : 496,927.51 = 162,780.99 : x - Step 2: Convert to fraction form
331,254.03/496,927.51 = 162,780.99/x - Step 3: Cross multiply
331,254.03x = 496,927.51 × 162,780.99 - Step 4: Simplify right side
331,254.03x = 80,890,348,737.49 - Step 5: Solve for x
x = 80,890,348,737.49/331,254.03 - Step 6: Final answer
x = 244,194.31
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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.