Finding the Fourth Proportional to 329,074.19, 493,611.28 and 79,756.19
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Solution
The fourth proportional to 329,074.19, 493,611.28 and 79,756.19 is: 119,634.28
Step by Step Solution
- Step 1: Write the proportion equation
329,074.19 : 493,611.28 = 79,756.19 : x - Step 2: Convert to fraction form
329,074.19/493,611.28 = 79,756.19/x - Step 3: Cross multiply
329,074.19x = 493,611.28 × 79,756.19 - Step 4: Simplify right side
329,074.19x = 39,368,555,033.82 - Step 5: Solve for x
x = 39,368,555,033.82/329,074.19 - Step 6: Final answer
x = 119,634.28
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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.