Finding the Fourth Proportional to 131,851.09, 197,754.76 and 47,595.09
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Solution
The fourth proportional to 131,851.09, 197,754.76 and 47,595.09 is: 71,384.74
Step by Step Solution
- Step 1: Write the proportion equation
131,851.09 : 197,754.76 = 47,595.09 : x - Step 2: Convert to fraction form
131,851.09/197,754.76 = 47,595.09/x - Step 3: Cross multiply
131,851.09x = 197,754.76 × 47,595.09 - Step 4: Simplify right side
131,851.09x = 9,412,155,362.15 - Step 5: Solve for x
x = 9,412,155,362.15/131,851.09 - Step 6: Final answer
x = 71,384.74
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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.