Finding the Fourth Proportional to 178,898.58, 246,880.12 and 98,325.44
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Solution
The fourth proportional to 178,898.58, 246,880.12 and 98,325.44 is: 135,689.15
Step by Step Solution
- Step 1: Write the proportion equation
178,898.58 : 246,880.12 = 98,325.44 : x - Step 2: Convert to fraction form
178,898.58/246,880.12 = 98,325.44/x - Step 3: Cross multiply
178,898.58x = 246,880.12 × 98,325.44 - Step 4: Simplify right side
178,898.58x = 24,274,596,426.25 - Step 5: Solve for x
x = 24,274,596,426.25/178,898.58 - Step 6: Final answer
x = 135,689.15
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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.