Finding the Fourth Proportional to 128,867.04, 193,198.50 and 58,708.08
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Solution
The fourth proportional to 128,867.04, 193,198.50 and 58,708.08 is: 88,015.62
Step by Step Solution
- Step 1: Write the proportion equation
128,867.04 : 193,198.50 = 58,708.08 : x - Step 2: Convert to fraction form
128,867.04/193,198.50 = 58,708.08/x - Step 3: Cross multiply
128,867.04x = 193,198.50 × 58,708.08 - Step 4: Simplify right side
128,867.04x = 11,342,312,993.88 - Step 5: Solve for x
x = 11,342,312,993.88/128,867.04 - Step 6: Final answer
x = 88,015.62
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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.