Finding the Fourth Proportional to 197,115.80, 295,511.70 and 84,882.20
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Solution
The fourth proportional to 197,115.80, 295,511.70 and 84,882.20 is: 127,253.54
Step by Step Solution
- Step 1: Write the proportion equation
197,115.80 : 295,511.70 = 84,882.20 : x - Step 2: Convert to fraction form
197,115.80/295,511.70 = 84,882.20/x - Step 3: Cross multiply
197,115.80x = 295,511.70 × 84,882.20 - Step 4: Simplify right side
197,115.80x = 25,083,683,221.74 - Step 5: Solve for x
x = 25,083,683,221.74/197,115.80 - Step 6: Final answer
x = 127,253.54
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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.