Finding the Fourth Proportional to 222,395.13, 306,927.26 and 126,916.18
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Solution
The fourth proportional to 222,395.13, 306,927.26 and 126,916.18 is: 175,156.87
Step by Step Solution
- Step 1: Write the proportion equation
222,395.13 : 306,927.26 = 126,916.18 : x - Step 2: Convert to fraction form
222,395.13/306,927.26 = 126,916.18/x - Step 3: Cross multiply
222,395.13x = 306,927.26 × 126,916.18 - Step 4: Simplify right side
222,395.13x = 38,954,034,451.10 - Step 5: Solve for x
x = 38,954,034,451.10/222,395.13 - Step 6: Final answer
x = 175,156.87
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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.