Finding the Fourth Proportional to 441,827.99, 662,337.05 and 172,138.09
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Solution
The fourth proportional to 441,827.99, 662,337.05 and 172,138.09 is: 258,049.36
Step by Step Solution
- Step 1: Write the proportion equation
441,827.99 : 662,337.05 = 172,138.09 : x - Step 2: Convert to fraction form
441,827.99/662,337.05 = 172,138.09/x - Step 3: Cross multiply
441,827.99x = 662,337.05 × 172,138.09 - Step 4: Simplify right side
441,827.99x = 114,013,432,554.04 - Step 5: Solve for x
x = 114,013,432,554.04/441,827.99 - Step 6: Final answer
x = 258,049.36
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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.