Finding the Fourth Proportional to 120,124.14, 180,202.74 and 41,228.11
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Solution
The fourth proportional to 120,124.14, 180,202.74 and 41,228.11 is: 61,847.84
Step by Step Solution
- Step 1: Write the proportion equation
120,124.14 : 180,202.74 = 41,228.11 : x - Step 2: Convert to fraction form
120,124.14/180,202.74 = 41,228.11/x - Step 3: Cross multiply
120,124.14x = 180,202.74 × 41,228.11 - Step 4: Simplify right side
120,124.14x = 7,429,418,387.02 - Step 5: Solve for x
x = 7,429,418,387.02/120,124.14 - Step 6: Final answer
x = 61,847.84
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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.