Finding the Fourth Proportional to 122,266.76, 183,427.80 and 43,381.08
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Solution
The fourth proportional to 122,266.76, 183,427.80 and 43,381.08 is: 65,081.43
Step by Step Solution
- Step 1: Write the proportion equation
122,266.76 : 183,427.80 = 43,381.08 : x - Step 2: Convert to fraction form
122,266.76/183,427.80 = 43,381.08/x - Step 3: Cross multiply
122,266.76x = 183,427.80 × 43,381.08 - Step 4: Simplify right side
122,266.76x = 7,957,296,066.02 - Step 5: Solve for x
x = 7,957,296,066.02/122,266.76 - Step 6: Final answer
x = 65,081.43
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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.