Finding the Fourth Proportional to 352,228.36, 528,324.14 and 115,539.88
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Solution
The fourth proportional to 352,228.36, 528,324.14 and 115,539.88 is: 173,303.78
Step by Step Solution
- Step 1: Write the proportion equation
352,228.36 : 528,324.14 = 115,539.88 : x - Step 2: Convert to fraction form
352,228.36/528,324.14 = 115,539.88/x - Step 3: Cross multiply
352,228.36x = 528,324.14 × 115,539.88 - Step 4: Simplify right side
352,228.36x = 61,042,507,736.70 - Step 5: Solve for x
x = 61,042,507,736.70/352,228.36 - Step 6: Final answer
x = 173,303.78
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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.