Finding the Fourth Proportional to 119,851.41, 179,730.39 and 44,930.68
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Solution
The fourth proportional to 119,851.41, 179,730.39 and 44,930.68 is: 67,378.50
Step by Step Solution
- Step 1: Write the proportion equation
119,851.41 : 179,730.39 = 44,930.68 : x - Step 2: Convert to fraction form
119,851.41/179,730.39 = 44,930.68/x - Step 3: Cross multiply
119,851.41x = 179,730.39 × 44,930.68 - Step 4: Simplify right side
119,851.41x = 8,075,408,133.87 - Step 5: Solve for x
x = 8,075,408,133.87/119,851.41 - Step 6: Final answer
x = 67,378.50
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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.