Finding the Fourth Proportional to 169,722.18, 254,610.74 and 57,409.09
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Solution
The fourth proportional to 169,722.18, 254,610.74 and 57,409.09 is: 86,122.92
Step by Step Solution
- Step 1: Write the proportion equation
169,722.18 : 254,610.74 = 57,409.09 : x - Step 2: Convert to fraction form
169,722.18/254,610.74 = 57,409.09/x - Step 3: Cross multiply
169,722.18x = 254,610.74 × 57,409.09 - Step 4: Simplify right side
169,722.18x = 14,616,970,394.62 - Step 5: Solve for x
x = 14,616,970,394.62/169,722.18 - Step 6: Final answer
x = 86,122.92
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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.