Finding the Fourth Proportional to 243,354.05, 335,825.02 and 135,925.65
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Solution
The fourth proportional to 243,354.05, 335,825.02 and 135,925.65 is: 187,575.40
Step by Step Solution
- Step 1: Write the proportion equation
243,354.05 : 335,825.02 = 135,925.65 : x - Step 2: Convert to fraction form
243,354.05/335,825.02 = 135,925.65/x - Step 3: Cross multiply
243,354.05x = 335,825.02 × 135,925.65 - Step 4: Simplify right side
243,354.05x = 45,647,233,450.13 - Step 5: Solve for x
x = 45,647,233,450.13/243,354.05 - Step 6: Final answer
x = 187,575.40
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1.5x scale
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.