Finding the Fourth Proportional to 493,023.57, 680,373.18 and 278,183.62
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Solution
The fourth proportional to 493,023.57, 680,373.18 and 278,183.62 is: 383,893.76
Step by Step Solution
- Step 1: Write the proportion equation
493,023.57 : 680,373.18 = 278,183.62 : x - Step 2: Convert to fraction form
493,023.57/680,373.18 = 278,183.62/x - Step 3: Cross multiply
493,023.57x = 680,373.18 × 278,183.62 - Step 4: Simplify right side
493,023.57x = 189,268,674,163.31 - Step 5: Solve for x
x = 189,268,674,163.31/493,023.57 - Step 6: Final answer
x = 383,893.76
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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.