Finding the Fourth Proportional to 311,660.58, 467,422.97 and 83,950.59
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Solution
The fourth proportional to 311,660.58, 467,422.97 and 83,950.59 is: 125,907.60
Step by Step Solution
- Step 1: Write the proportion equation
311,660.58 : 467,422.97 = 83,950.59 : x - Step 2: Convert to fraction form
311,660.58/467,422.97 = 83,950.59/x - Step 3: Cross multiply
311,660.58x = 467,422.97 × 83,950.59 - Step 4: Simplify right side
311,660.58x = 39,240,434,111.05 - Step 5: Solve for x
x = 39,240,434,111.05/311,660.58 - Step 6: Final answer
x = 125,907.60
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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.