Finding the Fourth Proportional to 131,478.44, 197,305.02 and 48,372.36
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Solution
The fourth proportional to 131,478.44, 197,305.02 and 48,372.36 is: 72,590.68
Step by Step Solution
- Step 1: Write the proportion equation
131,478.44 : 197,305.02 = 48,372.36 : x - Step 2: Convert to fraction form
131,478.44/197,305.02 = 48,372.36/x - Step 3: Cross multiply
131,478.44x = 197,305.02 × 48,372.36 - Step 4: Simplify right side
131,478.44x = 9,544,109,457.25 - Step 5: Solve for x
x = 9,544,109,457.25/131,478.44 - Step 6: Final answer
x = 72,590.68
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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.