Finding the Fourth Proportional to 198,968.68, 298,464.71 and 56,803.03
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Solution
The fourth proportional to 198,968.68, 298,464.71 and 56,803.03 is: 85,207.88
Step by Step Solution
- Step 1: Write the proportion equation
198,968.68 : 298,464.71 = 56,803.03 : x - Step 2: Convert to fraction form
198,968.68/298,464.71 = 56,803.03/x - Step 3: Cross multiply
198,968.68x = 298,464.71 × 56,803.03 - Step 4: Simplify right side
198,968.68x = 16,953,698,845.89 - Step 5: Solve for x
x = 16,953,698,845.89/198,968.68 - Step 6: Final answer
x = 85,207.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.