Finding the Fourth Proportional to 120,201.64, 180,306.94 and 41,370.28
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Solution
The fourth proportional to 120,201.64, 180,306.94 and 41,370.28 is: 62,056.96
Step by Step Solution
- Step 1: Write the proportion equation
120,201.64 : 180,306.94 = 41,370.28 : x - Step 2: Convert to fraction form
120,201.64/180,306.94 = 41,370.28/x - Step 3: Cross multiply
120,201.64x = 180,306.94 × 41,370.28 - Step 4: Simplify right side
120,201.64x = 7,459,348,593.74 - Step 5: Solve for x
x = 7,459,348,593.74/120,201.64 - Step 6: Final answer
x = 62,056.96
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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.