Finding the Fourth Proportional to 162,743.80, 244,115.70 and 84,011.80
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Solution
The fourth proportional to 162,743.80, 244,115.70 and 84,011.80 is: 126,017.70
Step by Step Solution
- Step 1: Write the proportion equation
162,743.80 : 244,115.70 = 84,011.80 : x - Step 2: Convert to fraction form
162,743.80/244,115.70 = 84,011.80/x - Step 3: Cross multiply
162,743.80x = 244,115.70 × 84,011.80 - Step 4: Simplify right side
162,743.80x = 20,508,599,365.26 - Step 5: Solve for x
x = 20,508,599,365.26/162,743.80 - Step 6: Final answer
x = 126,017.70
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1.5x scale
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.