Finding the Fourth Proportional to 178,880.32, 246,860.76 and 98,310.70
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Solution
The fourth proportional to 178,880.32, 246,860.76 and 98,310.70 is: 135,672.02
Step by Step Solution
- Step 1: Write the proportion equation
178,880.32 : 246,860.76 = 98,310.70 : x - Step 2: Convert to fraction form
178,880.32/246,860.76 = 98,310.70/x - Step 3: Cross multiply
178,880.32x = 246,860.76 × 98,310.70 - Step 4: Simplify right side
178,880.32x = 24,269,054,118.13 - Step 5: Solve for x
x = 24,269,054,118.13/178,880.32 - Step 6: Final answer
x = 135,672.02
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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.