Finding the Fourth Proportional to 427,922.36, 641,731.56 and 157,992.74
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Solution
The fourth proportional to 427,922.36, 641,731.56 and 157,992.74 is: 236,933.00
Step by Step Solution
- Step 1: Write the proportion equation
427,922.36 : 641,731.56 = 157,992.74 : x - Step 2: Convert to fraction form
427,922.36/641,731.56 = 157,992.74/x - Step 3: Cross multiply
427,922.36x = 641,731.56 × 157,992.74 - Step 4: Simplify right side
427,922.36x = 101,388,926,114.24 - Step 5: Solve for x
x = 101,388,926,114.24/427,922.36 - Step 6: Final answer
x = 236,933.00
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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.