Finding the Fourth Proportional to 489,035.24, 733,490.47 and 189,310.74
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Solution
The fourth proportional to 489,035.24, 733,490.47 and 189,310.74 is: 283,941.96
Step by Step Solution
- Step 1: Write the proportion equation
489,035.24 : 733,490.47 = 189,310.74 : x - Step 2: Convert to fraction form
489,035.24/733,490.47 = 189,310.74/x - Step 3: Cross multiply
489,035.24x = 733,490.47 × 189,310.74 - Step 4: Simplify right side
489,035.24x = 138,857,623,658.65 - Step 5: Solve for x
x = 138,857,623,658.65/489,035.24 - Step 6: Final answer
x = 283,941.96
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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.