Finding the Fourth Proportional to 489,183.17, 675,079.68 and 295,563.93
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Solution
The fourth proportional to 489,183.17, 675,079.68 and 295,563.93 is: 407,882.40
Step by Step Solution
- Step 1: Write the proportion equation
489,183.17 : 675,079.68 = 295,563.93 : x - Step 2: Convert to fraction form
489,183.17/675,079.68 = 295,563.93/x - Step 3: Cross multiply
489,183.17x = 675,079.68 × 295,563.93 - Step 4: Simplify right side
489,183.17x = 199,529,203,283.94 - Step 5: Solve for x
x = 199,529,203,283.94/489,183.17 - Step 6: Final answer
x = 407,882.40
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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.