Finding the Fourth Proportional to 121,977.84, 182,880.36 and 47,034.48
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Solution
The fourth proportional to 121,977.84, 182,880.36 and 47,034.48 is: 70,518.40
Step by Step Solution
- Step 1: Write the proportion equation
121,977.84 : 182,880.36 = 47,034.48 : x - Step 2: Convert to fraction form
121,977.84/182,880.36 = 47,034.48/x - Step 3: Cross multiply
121,977.84x = 182,880.36 × 47,034.48 - Step 4: Simplify right side
121,977.84x = 8,601,682,634.81 - Step 5: Solve for x
x = 8,601,682,634.81/121,977.84 - Step 6: Final answer
x = 70,518.40
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1.5x scale
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.