Finding the Fourth Proportional to 122,649.60, 183,828.60 and 110,110.80
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Solution
The fourth proportional to 122,649.60, 183,828.60 and 110,110.80 is: 165,035.31
Step by Step Solution
- Step 1: Write the proportion equation
122,649.60 : 183,828.60 = 110,110.80 : x - Step 2: Convert to fraction form
122,649.60/183,828.60 = 110,110.80/x - Step 3: Cross multiply
122,649.60x = 183,828.60 × 110,110.80 - Step 4: Simplify right side
122,649.60x = 20,241,514,208.88 - Step 5: Solve for x
x = 20,241,514,208.88/122,649.60 - Step 6: Final answer
x = 165,035.31
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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.