Finding the Fourth Proportional to 177,311.80, 265,967.70 and 142,319.80
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Solution
The fourth proportional to 177,311.80, 265,967.70 and 142,319.80 is: 213,479.70
Step by Step Solution
- Step 1: Write the proportion equation
177,311.80 : 265,967.70 = 142,319.80 : x - Step 2: Convert to fraction form
177,311.80/265,967.70 = 142,319.80/x - Step 3: Cross multiply
177,311.80x = 265,967.70 × 142,319.80 - Step 4: Simplify right side
177,311.80x = 37,852,469,870.46 - Step 5: Solve for x
x = 37,852,469,870.46/177,311.80 - Step 6: Final answer
x = 213,479.70
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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.