Finding the Fourth Proportional to 178,794.10, 246,785.52 and 102,356.02
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Solution
The fourth proportional to 178,794.10, 246,785.52 and 102,356.02 is: 141,279.74
Step by Step Solution
- Step 1: Write the proportion equation
178,794.10 : 246,785.52 = 102,356.02 : x - Step 2: Convert to fraction form
178,794.10/246,785.52 = 102,356.02/x - Step 3: Cross multiply
178,794.10x = 246,785.52 × 102,356.02 - Step 4: Simplify right side
178,794.10x = 25,259,983,620.83 - Step 5: Solve for x
x = 25,259,983,620.83/178,794.10 - Step 6: Final answer
x = 141,279.74
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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.