Finding the Fourth Proportional to 178,462.63, 246,286.13 and 106,828.81
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Solution
The fourth proportional to 178,462.63, 246,286.13 and 106,828.81 is: 147,428.37
Step by Step Solution
- Step 1: Write the proportion equation
178,462.63 : 246,286.13 = 106,828.81 : x - Step 2: Convert to fraction form
178,462.63/246,286.13 = 106,828.81/x - Step 3: Cross multiply
178,462.63x = 246,286.13 × 106,828.81 - Step 4: Simplify right side
178,462.63x = 26,310,454,187.41 - Step 5: Solve for x
x = 26,310,454,187.41/178,462.63 - Step 6: Final answer
x = 147,428.37
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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.