Finding the Fourth Proportional to 374,183.42, 516,220.20 and 276,301.20
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Solution
The fourth proportional to 374,183.42, 516,220.20 and 276,301.20 is: 381,182.74
Step by Step Solution
- Step 1: Write the proportion equation
374,183.42 : 516,220.20 = 276,301.20 : x - Step 2: Convert to fraction form
374,183.42/516,220.20 = 276,301.20/x - Step 3: Cross multiply
374,183.42x = 516,220.20 × 276,301.20 - Step 4: Simplify right side
374,183.42x = 142,632,260,724.24 - Step 5: Solve for x
x = 142,632,260,724.24/374,183.42 - Step 6: Final answer
x = 381,182.74
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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.