Finding the Fourth Proportional to 185,861.28, 278,693.08 and 73,536.96
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Solution
The fourth proportional to 185,861.28, 278,693.08 and 73,536.96 is: 110,266.33
Step by Step Solution
- Step 1: Write the proportion equation
185,861.28 : 278,693.08 = 73,536.96 : x - Step 2: Convert to fraction form
185,861.28/278,693.08 = 73,536.96/x - Step 3: Cross multiply
185,861.28x = 278,693.08 × 73,536.96 - Step 4: Simplify right side
185,861.28x = 20,494,241,876.24 - Step 5: Solve for x
x = 20,494,241,876.24/185,861.28 - Step 6: Final answer
x = 110,266.33
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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.