Finding the Fourth Proportional to 199,853.24, 275,794.14 and 109,207.20
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Solution
The fourth proportional to 199,853.24, 275,794.14 and 109,207.20 is: 150,704.12
Step by Step Solution
- Step 1: Write the proportion equation
199,853.24 : 275,794.14 = 109,207.20 : x - Step 2: Convert to fraction form
199,853.24/275,794.14 = 109,207.20/x - Step 3: Cross multiply
199,853.24x = 275,794.14 × 109,207.20 - Step 4: Simplify right side
199,853.24x = 30,118,705,805.81 - Step 5: Solve for x
x = 30,118,705,805.81/199,853.24 - Step 6: Final answer
x = 150,704.12
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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.