Finding the Fourth Proportional to 178,447.26, 246,257.64 and 102,995.76
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Solution
The fourth proportional to 178,447.26, 246,257.64 and 102,995.76 is: 142,134.39
Step by Step Solution
- Step 1: Write the proportion equation
178,447.26 : 246,257.64 = 102,995.76 : x - Step 2: Convert to fraction form
178,447.26/246,257.64 = 102,995.76/x - Step 3: Cross multiply
178,447.26x = 246,257.64 × 102,995.76 - Step 4: Simplify right side
178,447.26x = 25,363,492,787.61 - Step 5: Solve for x
x = 25,363,492,787.61/178,447.26 - Step 6: Final answer
x = 142,134.39
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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.