Finding the Fourth Proportional to 352,228.40, 528,324.04 and 115,539.92
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Solution
The fourth proportional to 352,228.40, 528,324.04 and 115,539.92 is: 173,303.79
Step by Step Solution
- Step 1: Write the proportion equation
352,228.40 : 528,324.04 = 115,539.92 : x - Step 2: Convert to fraction form
352,228.40/528,324.04 = 115,539.92/x - Step 3: Cross multiply
352,228.40x = 528,324.04 × 115,539.92 - Step 4: Simplify right side
352,228.40x = 61,042,517,315.68 - Step 5: Solve for x
x = 61,042,517,315.68/352,228.40 - Step 6: Final answer
x = 173,303.79
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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.