Finding the Fourth Proportional to 131,652.79, 197,589.76 and 56,829.44
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Solution
The fourth proportional to 131,652.79, 197,589.76 and 56,829.44 is: 85,291.90
Step by Step Solution
- Step 1: Write the proportion equation
131,652.79 : 197,589.76 = 56,829.44 : x - Step 2: Convert to fraction form
131,652.79/197,589.76 = 56,829.44/x - Step 3: Cross multiply
131,652.79x = 197,589.76 × 56,829.44 - Step 4: Simplify right side
131,652.79x = 11,228,915,762.44 - Step 5: Solve for x
x = 11,228,915,762.44/131,652.79 - Step 6: Final answer
x = 85,291.90
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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.