Finding the Fourth Proportional to 619,149.18, 928,727.01 and 281,954.70
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Solution
The fourth proportional to 619,149.18, 928,727.01 and 281,954.70 is: 422,933.53
Step by Step Solution
- Step 1: Write the proportion equation
619,149.18 : 928,727.01 = 281,954.70 : x - Step 2: Convert to fraction form
619,149.18/928,727.01 = 281,954.70/x - Step 3: Cross multiply
619,149.18x = 928,727.01 × 281,954.70 - Step 4: Simplify right side
619,149.18x = 261,858,945,486.45 - Step 5: Solve for x
x = 261,858,945,486.45/619,149.18 - Step 6: Final answer
x = 422,933.53
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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.