Finding the Fourth Proportional to 345,793.19, 477,196.68 and 192,841.05
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Solution
The fourth proportional to 345,793.19, 477,196.68 and 192,841.05 is: 266,121.82
Step by Step Solution
- Step 1: Write the proportion equation
345,793.19 : 477,196.68 = 192,841.05 : x - Step 2: Convert to fraction form
345,793.19/477,196.68 = 192,841.05/x - Step 3: Cross multiply
345,793.19x = 477,196.68 × 192,841.05 - Step 4: Simplify right side
345,793.19x = 92,023,111,340.36 - Step 5: Solve for x
x = 92,023,111,340.36/345,793.19 - Step 6: Final answer
x = 266,121.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.