Finding the Fourth Proportional to 228,804.57, 315,717.15 and 126,829.99
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Solution
The fourth proportional to 228,804.57, 315,717.15 and 126,829.99 is: 175,007.01
Step by Step Solution
- Step 1: Write the proportion equation
228,804.57 : 315,717.15 = 126,829.99 : x - Step 2: Convert to fraction form
228,804.57/315,717.15 = 126,829.99/x - Step 3: Cross multiply
228,804.57x = 315,717.15 × 126,829.99 - Step 4: Simplify right side
228,804.57x = 40,042,402,977.33 - Step 5: Solve for x
x = 40,042,402,977.33/228,804.57 - Step 6: Final answer
x = 175,007.01
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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.