Finding the Fourth Proportional to 213,677.36, 320,340.36 and 124,711.28
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Solution
The fourth proportional to 213,677.36, 320,340.36 and 124,711.28 is: 186,964.39
Step by Step Solution
- Step 1: Write the proportion equation
213,677.36 : 320,340.36 = 124,711.28 : x - Step 2: Convert to fraction form
213,677.36/320,340.36 = 124,711.28/x - Step 3: Cross multiply
213,677.36x = 320,340.36 × 124,711.28 - Step 4: Simplify right side
213,677.36x = 39,950,056,331.26 - Step 5: Solve for x
x = 39,950,056,331.26/213,677.36 - Step 6: Final answer
x = 186,964.39
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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.