Finding the Fourth Proportional to 243,882.24, 336,570.58 and 136,445.88
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Solution
The fourth proportional to 243,882.24, 336,570.58 and 136,445.88 is: 188,302.64
Step by Step Solution
- Step 1: Write the proportion equation
243,882.24 : 336,570.58 = 136,445.88 : x - Step 2: Convert to fraction form
243,882.24/336,570.58 = 136,445.88/x - Step 3: Cross multiply
243,882.24x = 336,570.58 × 136,445.88 - Step 4: Simplify right side
243,882.24x = 45,923,668,970.21 - Step 5: Solve for x
x = 45,923,668,970.21/243,882.24 - Step 6: Final answer
x = 188,302.64
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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.