Finding the Fourth Proportional to 251,135.40, 376,703.10 and 230,917.80
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Solution
The fourth proportional to 251,135.40, 376,703.10 and 230,917.80 is: 346,376.70
Step by Step Solution
- Step 1: Write the proportion equation
251,135.40 : 376,703.10 = 230,917.80 : x - Step 2: Convert to fraction form
251,135.40/376,703.10 = 230,917.80/x - Step 3: Cross multiply
251,135.40x = 376,703.10 × 230,917.80 - Step 4: Simplify right side
251,135.40x = 86,987,451,105.18 - Step 5: Solve for x
x = 86,987,451,105.18/251,135.40 - Step 6: Final answer
x = 346,376.70
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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.