Finding the Fourth Proportional to 142,191.44, 213,298.50 and 48,698
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Solution
The fourth proportional to 142,191.44, 213,298.50 and 48,698 is: 73,050.88
Step by Step Solution
- Step 1: Write the proportion equation
142,191.44 : 213,298.50 = 48,698 : x - Step 2: Convert to fraction form
142,191.44/213,298.50 = 48,698/x - Step 3: Cross multiply
142,191.44x = 213,298.50 × 48,698 - Step 4: Simplify right side
142,191.44x = 10,387,210,353 - Step 5: Solve for x
x = 10,387,210,353/142,191.44 - Step 6: Final answer
x = 73,050.88
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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.