Finding the Fourth Proportional to 197,147.80, 295,754.10 and 84,881.80
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Solution
The fourth proportional to 197,147.80, 295,754.10 and 84,881.80 is: 127,336.65
Step by Step Solution
- Step 1: Write the proportion equation
197,147.80 : 295,754.10 = 84,881.80 : x - Step 2: Convert to fraction form
197,147.80/295,754.10 = 84,881.80/x - Step 3: Cross multiply
197,147.80x = 295,754.10 × 84,881.80 - Step 4: Simplify right side
197,147.80x = 25,104,140,365.38 - Step 5: Solve for x
x = 25,104,140,365.38/197,147.80 - Step 6: Final answer
x = 127,336.65
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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.