Finding the Fourth Proportional to 228,828.03, 315,785.88 and 125,471.94
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Solution
The fourth proportional to 228,828.03, 315,785.88 and 125,471.94 is: 173,153.03
Step by Step Solution
- Step 1: Write the proportion equation
228,828.03 : 315,785.88 = 125,471.94 : x - Step 2: Convert to fraction form
228,828.03/315,785.88 = 125,471.94/x - Step 3: Cross multiply
228,828.03x = 315,785.88 × 125,471.94 - Step 4: Simplify right side
228,828.03x = 39,622,266,988.21 - Step 5: Solve for x
x = 39,622,266,988.21/228,828.03 - Step 6: Final answer
x = 173,153.03
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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.