Finding the Fourth Proportional to 80,374.28, 120,567.98 and 40,372.68
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Solution
The fourth proportional to 80,374.28, 120,567.98 and 40,372.68 is: 60,562.32
Step by Step Solution
- Step 1: Write the proportion equation
80,374.28 : 120,567.98 = 40,372.68 : x - Step 2: Convert to fraction form
80,374.28/120,567.98 = 40,372.68/x - Step 3: Cross multiply
80,374.28x = 120,567.98 × 40,372.68 - Step 4: Simplify right side
80,374.28x = 4,867,652,800.75 - Step 5: Solve for x
x = 4,867,652,800.75/80,374.28 - Step 6: Final answer
x = 60,562.32
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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.