Finding the Fourth Proportional to 197,206.20, 295,809.30 and 186,319.80
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Solution
The fourth proportional to 197,206.20, 295,809.30 and 186,319.80 is: 279,479.70
Step by Step Solution
- Step 1: Write the proportion equation
197,206.20 : 295,809.30 = 186,319.80 : x - Step 2: Convert to fraction form
197,206.20/295,809.30 = 186,319.80/x - Step 3: Cross multiply
197,206.20x = 295,809.30 × 186,319.80 - Step 4: Simplify right side
197,206.20x = 55,115,129,614.14 - Step 5: Solve for x
x = 55,115,129,614.14/197,206.20 - Step 6: Final answer
x = 279,479.70
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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.