Finding the Fourth Proportional to 489,177.24, 674,150.49 and 381,576.84
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Solution
The fourth proportional to 489,177.24, 674,150.49 and 381,576.84 is: 525,863.01
Step by Step Solution
- Step 1: Write the proportion equation
489,177.24 : 674,150.49 = 381,576.84 : x - Step 2: Convert to fraction form
489,177.24/674,150.49 = 381,576.84/x - Step 3: Cross multiply
489,177.24x = 674,150.49 × 381,576.84 - Step 4: Simplify right side
489,177.24x = 257,240,213,658.65 - Step 5: Solve for x
x = 257,240,213,658.65/489,177.24 - Step 6: Final answer
x = 525,863.01
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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.