Finding the Fourth Proportional to 131,593.80, 197,390.70 and 117,815.70
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Solution
The fourth proportional to 131,593.80, 197,390.70 and 117,815.70 is: 176,723.55
Step by Step Solution
- Step 1: Write the proportion equation
131,593.80 : 197,390.70 = 117,815.70 : x - Step 2: Convert to fraction form
131,593.80/197,390.70 = 117,815.70/x - Step 3: Cross multiply
131,593.80x = 197,390.70 × 117,815.70 - Step 4: Simplify right side
131,593.80x = 23,255,723,493.99 - Step 5: Solve for x
x = 23,255,723,493.99/131,593.80 - Step 6: Final answer
x = 176,723.55
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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.