Finding the Fourth Proportional to 197,679.05, 296,515.96 and 47,920.68
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Solution
The fourth proportional to 197,679.05, 296,515.96 and 47,920.68 is: 71,880.39
Step by Step Solution
- Step 1: Write the proportion equation
197,679.05 : 296,515.96 = 47,920.68 : x - Step 2: Convert to fraction form
197,679.05/296,515.96 = 47,920.68/x - Step 3: Cross multiply
197,679.05x = 296,515.96 × 47,920.68 - Step 4: Simplify right side
197,679.05x = 14,209,246,314.25 - Step 5: Solve for x
x = 14,209,246,314.25/197,679.05 - Step 6: Final answer
x = 71,880.39
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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.