Finding the Fourth Proportional to 238,616.13, 329,290.47 and 131,187.99
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Solution
The fourth proportional to 238,616.13, 329,290.47 and 131,187.99 is: 181,039.54
Step by Step Solution
- Step 1: Write the proportion equation
238,616.13 : 329,290.47 = 131,187.99 : x - Step 2: Convert to fraction form
238,616.13/329,290.47 = 131,187.99/x - Step 3: Cross multiply
238,616.13x = 329,290.47 × 131,187.99 - Step 4: Simplify right side
238,616.13x = 43,198,954,885.46 - Step 5: Solve for x
x = 43,198,954,885.46/238,616.13 - Step 6: Final answer
x = 181,039.54
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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.