Finding the Fourth Proportional to 120,029.60, 179,933.08 and 41,125.08
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Solution
The fourth proportional to 120,029.60, 179,933.08 and 41,125.08 is: 61,649.48
Step by Step Solution
- Step 1: Write the proportion equation
120,029.60 : 179,933.08 = 41,125.08 : x - Step 2: Convert to fraction form
120,029.60/179,933.08 = 41,125.08/x - Step 3: Cross multiply
120,029.60x = 179,933.08 × 41,125.08 - Step 4: Simplify right side
120,029.60x = 7,399,762,309.65 - Step 5: Solve for x
x = 7,399,762,309.65/120,029.60 - Step 6: Final answer
x = 61,649.48
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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.