Finding the Fourth Proportional to 286,546.19, 429,228.65 and 167,857.70
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Solution
The fourth proportional to 286,546.19, 429,228.65 and 167,857.70 is: 251,440.56
Step by Step Solution
- Step 1: Write the proportion equation
286,546.19 : 429,228.65 = 167,857.70 : x - Step 2: Convert to fraction form
286,546.19/429,228.65 = 167,857.70/x - Step 3: Cross multiply
286,546.19x = 429,228.65 × 167,857.70 - Step 4: Simplify right side
286,546.19x = 72,049,332,236.61 - Step 5: Solve for x
x = 72,049,332,236.61/286,546.19 - Step 6: Final answer
x = 251,440.56
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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.