Finding the Fourth Proportional to 422,316.24, 633,469.29 and 169,592.19
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Solution
The fourth proportional to 422,316.24, 633,469.29 and 169,592.19 is: 254,386.25
Step by Step Solution
- Step 1: Write the proportion equation
422,316.24 : 633,469.29 = 169,592.19 : x - Step 2: Convert to fraction form
422,316.24/633,469.29 = 169,592.19/x - Step 3: Cross multiply
422,316.24x = 633,469.29 × 169,592.19 - Step 4: Simplify right side
422,316.24x = 107,431,444,188.85 - Step 5: Solve for x
x = 107,431,444,188.85/422,316.24 - Step 6: Final answer
x = 254,386.25
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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.