Finding the Fourth Proportional to 243,444.30, 365,303.97 and 131,122.14
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Solution
The fourth proportional to 243,444.30, 365,303.97 and 131,122.14 is: 196,757.28
Step by Step Solution
- Step 1: Write the proportion equation
243,444.30 : 365,303.97 = 131,122.14 : x - Step 2: Convert to fraction form
243,444.30/365,303.97 = 131,122.14/x - Step 3: Cross multiply
243,444.30x = 365,303.97 × 131,122.14 - Step 4: Simplify right side
243,444.30x = 47,899,438,296.90 - Step 5: Solve for x
x = 47,899,438,296.90/243,444.30 - Step 6: Final answer
x = 196,757.28
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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.