Finding the Fourth Proportional to 246,428.87, 340,072.20 and 133,251.62
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Solution
The fourth proportional to 246,428.87, 340,072.20 and 133,251.62 is: 183,887.43
Step by Step Solution
- Step 1: Write the proportion equation
246,428.87 : 340,072.20 = 133,251.62 : x - Step 2: Convert to fraction form
246,428.87/340,072.20 = 133,251.62/x - Step 3: Cross multiply
246,428.87x = 340,072.20 × 133,251.62 - Step 4: Simplify right side
246,428.87x = 45,315,169,866.60 - Step 5: Solve for x
x = 45,315,169,866.60/246,428.87 - Step 6: Final answer
x = 183,887.43
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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.