Finding the Fourth Proportional to 167,378.39, 230,867.51 and 106,922.19
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Solution
The fourth proportional to 167,378.39, 230,867.51 and 106,922.19 is: 147,479.37
Step by Step Solution
- Step 1: Write the proportion equation
167,378.39 : 230,867.51 = 106,922.19 : x - Step 2: Convert to fraction form
167,378.39/230,867.51 = 106,922.19/x - Step 3: Cross multiply
167,378.39x = 230,867.51 × 106,922.19 - Step 4: Simplify right side
167,378.39x = 24,684,859,234.44 - Step 5: Solve for x
x = 24,684,859,234.44/167,378.39 - Step 6: Final answer
x = 147,479.37
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1.5x scale
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.