Finding the Fourth Proportional to 106,729.22, 147,286.79 and 58,332.13
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Solution
The fourth proportional to 106,729.22, 147,286.79 and 58,332.13 is: 80,498.59
Step by Step Solution
- Step 1: Write the proportion equation
106,729.22 : 147,286.79 = 58,332.13 : x - Step 2: Convert to fraction form
106,729.22/147,286.79 = 58,332.13/x - Step 3: Cross multiply
106,729.22x = 147,286.79 × 58,332.13 - Step 4: Simplify right side
106,729.22x = 8,591,552,181.56 - Step 5: Solve for x
x = 8,591,552,181.56/106,729.22 - Step 6: Final answer
x = 80,498.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.