Finding the Fourth Proportional to 212,392.24, 318,785.28 and 107,284.96
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Solution
The fourth proportional to 212,392.24, 318,785.28 and 107,284.96 is: 161,026.91
Step by Step Solution
- Step 1: Write the proportion equation
212,392.24 : 318,785.28 = 107,284.96 : x - Step 2: Convert to fraction form
212,392.24/318,785.28 = 107,284.96/x - Step 3: Cross multiply
212,392.24x = 318,785.28 × 107,284.96 - Step 4: Simplify right side
212,392.24x = 34,200,866,013.39 - Step 5: Solve for x
x = 34,200,866,013.39/212,392.24 - Step 6: Final answer
x = 161,026.91
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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.