Finding the Fourth Proportional to 120,310.08, 180,462.99 and 41,422.56
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Solution
The fourth proportional to 120,310.08, 180,462.99 and 41,422.56 is: 62,133.11
Step by Step Solution
- Step 1: Write the proportion equation
120,310.08 : 180,462.99 = 41,422.56 : x - Step 2: Convert to fraction form
120,310.08/180,462.99 = 41,422.56/x - Step 3: Cross multiply
120,310.08x = 180,462.99 × 41,422.56 - Step 4: Simplify right side
120,310.08x = 7,475,239,031.05 - Step 5: Solve for x
x = 7,475,239,031.05/120,310.08 - Step 6: Final answer
x = 62,133.11
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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.