Finding the Fourth Proportional to 216,626.96, 324,866.52 and 83,496.08
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Solution
The fourth proportional to 216,626.96, 324,866.52 and 83,496.08 is: 125,215.63
Step by Step Solution
- Step 1: Write the proportion equation
216,626.96 : 324,866.52 = 83,496.08 : x - Step 2: Convert to fraction form
216,626.96/324,866.52 = 83,496.08/x - Step 3: Cross multiply
216,626.96x = 324,866.52 × 83,496.08 - Step 4: Simplify right side
216,626.96x = 27,125,080,943.24 - Step 5: Solve for x
x = 27,125,080,943.24/216,626.96 - Step 6: Final answer
x = 125,215.63
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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.