Finding the Fourth Proportional to 122,418.36, 183,455.10 and 97,347.15
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Solution
The fourth proportional to 122,418.36, 183,455.10 and 97,347.15 is: 145,883.60
Step by Step Solution
- Step 1: Write the proportion equation
122,418.36 : 183,455.10 = 97,347.15 : x - Step 2: Convert to fraction form
122,418.36/183,455.10 = 97,347.15/x - Step 3: Cross multiply
122,418.36x = 183,455.10 × 97,347.15 - Step 4: Simplify right side
122,418.36x = 17,858,831,137.97 - Step 5: Solve for x
x = 17,858,831,137.97/122,418.36 - Step 6: Final answer
x = 145,883.60
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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.