Finding the Fourth Proportional to 448,071.75, 672,238.84 and 132,537.06
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Solution
The fourth proportional to 448,071.75, 672,238.84 and 132,537.06 is: 198,844.40
Step by Step Solution
- Step 1: Write the proportion equation
448,071.75 : 672,238.84 = 132,537.06 : x - Step 2: Convert to fraction form
448,071.75/672,238.84 = 132,537.06/x - Step 3: Cross multiply
448,071.75x = 672,238.84 × 132,537.06 - Step 4: Simplify right side
448,071.75x = 89,096,559,471.41 - Step 5: Solve for x
x = 89,096,559,471.41/448,071.75 - Step 6: Final answer
x = 198,844.40
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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.