Finding the Fourth Proportional to 99,368.50, 149,059.68 and 32,855.44
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Solution
The fourth proportional to 99,368.50, 149,059.68 and 32,855.44 is: 49,285.45
Step by Step Solution
- Step 1: Write the proportion equation
99,368.50 : 149,059.68 = 32,855.44 : x - Step 2: Convert to fraction form
99,368.50/149,059.68 = 32,855.44/x - Step 3: Cross multiply
99,368.50x = 149,059.68 × 32,855.44 - Step 4: Simplify right side
99,368.50x = 4,897,421,372.66 - Step 5: Solve for x
x = 4,897,421,372.66/99,368.50 - Step 6: Final answer
x = 49,285.45
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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.