Finding the Fourth Proportional to 131,800.68, 197,700.30 and 31,960.80
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Solution
The fourth proportional to 131,800.68, 197,700.30 and 31,960.80 is: 47,941.03
Step by Step Solution
- Step 1: Write the proportion equation
131,800.68 : 197,700.30 = 31,960.80 : x - Step 2: Convert to fraction form
131,800.68/197,700.30 = 31,960.80/x - Step 3: Cross multiply
131,800.68x = 197,700.30 × 31,960.80 - Step 4: Simplify right side
131,800.68x = 6,318,659,748.24 - Step 5: Solve for x
x = 6,318,659,748.24/131,800.68 - Step 6: Final answer
x = 47,941.03
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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.