Finding the Fourth Proportional to 128,859.33, 193,242.68 and 44,596.63
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Solution
The fourth proportional to 128,859.33, 193,242.68 and 44,596.63 is: 66,878.92
Step by Step Solution
- Step 1: Write the proportion equation
128,859.33 : 193,242.68 = 44,596.63 : x - Step 2: Convert to fraction form
128,859.33/193,242.68 = 44,596.63/x - Step 3: Cross multiply
128,859.33x = 193,242.68 × 44,596.63 - Step 4: Simplify right side
128,859.33x = 8,617,972,077.19 - Step 5: Solve for x
x = 8,617,972,077.19/128,859.33 - Step 6: Final answer
x = 66,878.92
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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.