Finding the Fourth Proportional to 177,195.80, 265,793.70 and 142,203.80
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Solution
The fourth proportional to 177,195.80, 265,793.70 and 142,203.80 is: 213,305.70
Step by Step Solution
- Step 1: Write the proportion equation
177,195.80 : 265,793.70 = 142,203.80 : x - Step 2: Convert to fraction form
177,195.80/265,793.70 = 142,203.80/x - Step 3: Cross multiply
177,195.80x = 265,793.70 × 142,203.80 - Step 4: Simplify right side
177,195.80x = 37,796,874,156.06 - Step 5: Solve for x
x = 37,796,874,156.06/177,195.80 - Step 6: Final answer
x = 213,305.70
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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.