Finding the Fourth Proportional to 132,900.12, 199,383.86 and 44,154.09
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Solution
The fourth proportional to 132,900.12, 199,383.86 and 44,154.09 is: 66,242.33
Step by Step Solution
- Step 1: Write the proportion equation
132,900.12 : 199,383.86 = 44,154.09 : x - Step 2: Convert to fraction form
132,900.12/199,383.86 = 44,154.09/x - Step 3: Cross multiply
132,900.12x = 199,383.86 × 44,154.09 - Step 4: Simplify right side
132,900.12x = 8,803,613,009.37 - Step 5: Solve for x
x = 8,803,613,009.37/132,900.12 - Step 6: Final answer
x = 66,242.33
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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.