Finding the Fourth Proportional to 276,164.20, 414,246.30 and 164,189.80
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Solution
The fourth proportional to 276,164.20, 414,246.30 and 164,189.80 is: 246,284.70
Step by Step Solution
- Step 1: Write the proportion equation
276,164.20 : 414,246.30 = 164,189.80 : x - Step 2: Convert to fraction form
276,164.20/414,246.30 = 164,189.80/x - Step 3: Cross multiply
276,164.20x = 414,246.30 × 164,189.80 - Step 4: Simplify right side
276,164.20x = 68,015,017,147.74 - Step 5: Solve for x
x = 68,015,017,147.74/276,164.20 - Step 6: Final answer
x = 246,284.70
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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.