Finding the Fourth Proportional to 181,884.44, 250,987.62 and 100,209.08
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Solution
The fourth proportional to 181,884.44, 250,987.62 and 100,209.08 is: 138,281.42
Step by Step Solution
- Step 1: Write the proportion equation
181,884.44 : 250,987.62 = 100,209.08 : x - Step 2: Convert to fraction form
181,884.44/250,987.62 = 100,209.08/x - Step 3: Cross multiply
181,884.44x = 250,987.62 × 100,209.08 - Step 4: Simplify right side
181,884.44x = 25,151,238,491.59 - Step 5: Solve for x
x = 25,151,238,491.59/181,884.44 - Step 6: Final answer
x = 138,281.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.