Finding the Fourth Proportional to 425,751.20, 638,391.24 and 169,324.09
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Solution
The fourth proportional to 425,751.20, 638,391.24 and 169,324.09 is: 253,892.44
Step by Step Solution
- Step 1: Write the proportion equation
425,751.20 : 638,391.24 = 169,324.09 : x - Step 2: Convert to fraction form
425,751.20/638,391.24 = 169,324.09/x - Step 3: Cross multiply
425,751.20x = 638,391.24 × 169,324.09 - Step 4: Simplify right side
425,751.20x = 108,095,014,180.99 - Step 5: Solve for x
x = 108,095,014,180.99/425,751.20 - Step 6: Final answer
x = 253,892.44
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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.