Finding the Fourth Proportional to 383,229.21, 528,872.63 and 213,463.41
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Solution
The fourth proportional to 383,229.21, 528,872.63 and 213,463.41 is: 294,588.59
Step by Step Solution
- Step 1: Write the proportion equation
383,229.21 : 528,872.63 = 213,463.41 : x - Step 2: Convert to fraction form
383,229.21/528,872.63 = 213,463.41/x - Step 3: Cross multiply
383,229.21x = 528,872.63 × 213,463.41 - Step 4: Simplify right side
383,229.21x = 112,894,953,988.15 - Step 5: Solve for x
x = 112,894,953,988.15/383,229.21 - Step 6: Final answer
x = 294,588.59
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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.