Finding the Fourth Proportional to 185,787.36, 278,676.18 and 65,842.56
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Solution
The fourth proportional to 185,787.36, 278,676.18 and 65,842.56 is: 98,762.12
Step by Step Solution
- Step 1: Write the proportion equation
185,787.36 : 278,676.18 = 65,842.56 : x - Step 2: Convert to fraction form
185,787.36/278,676.18 = 65,842.56/x - Step 3: Cross multiply
185,787.36x = 278,676.18 × 65,842.56 - Step 4: Simplify right side
185,787.36x = 18,348,753,102.22 - Step 5: Solve for x
x = 18,348,753,102.22/185,787.36 - Step 6: Final answer
x = 98,762.12
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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.