Finding the Fourth Proportional to 225,828.14, 338,742.36 and 57,361.10
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Solution
The fourth proportional to 225,828.14, 338,742.36 and 57,361.10 is: 86,041.69
Step by Step Solution
- Step 1: Write the proportion equation
225,828.14 : 338,742.36 = 57,361.10 : x - Step 2: Convert to fraction form
225,828.14/338,742.36 = 57,361.10/x - Step 3: Cross multiply
225,828.14x = 338,742.36 × 57,361.10 - Step 4: Simplify right side
225,828.14x = 19,430,634,386.20 - Step 5: Solve for x
x = 19,430,634,386.20/225,828.14 - Step 6: Final answer
x = 86,041.69
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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.