Finding the Fourth Proportional to 305,367.36, 458,187.36 and 118,393.44
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Solution
The fourth proportional to 305,367.36, 458,187.36 and 118,393.44 is: 177,643.01
Step by Step Solution
- Step 1: Write the proportion equation
305,367.36 : 458,187.36 = 118,393.44 : x - Step 2: Convert to fraction form
305,367.36/458,187.36 = 118,393.44/x - Step 3: Cross multiply
305,367.36x = 458,187.36 × 118,393.44 - Step 4: Simplify right side
305,367.36x = 54,246,377,714.92 - Step 5: Solve for x
x = 54,246,377,714.92/305,367.36 - Step 6: Final answer
x = 177,643.01
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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.