Finding the Fourth Proportional to 324,215.36, 447,338.40 and 190,053.44
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Solution
The fourth proportional to 324,215.36, 447,338.40 and 190,053.44 is: 262,227.56
Step by Step Solution
- Step 1: Write the proportion equation
324,215.36 : 447,338.40 = 190,053.44 : x - Step 2: Convert to fraction form
324,215.36/447,338.40 = 190,053.44/x - Step 3: Cross multiply
324,215.36x = 447,338.40 × 190,053.44 - Step 4: Simplify right side
324,215.36x = 85,018,201,764.10 - Step 5: Solve for x
x = 85,018,201,764.10/324,215.36 - Step 6: Final answer
x = 262,227.56
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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.