Finding the Fourth Proportional to 283,861.34, 425,860.40 and 106,369.88
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Solution
The fourth proportional to 283,861.34, 425,860.40 and 106,369.88 is: 159,580.45
Step by Step Solution
- Step 1: Write the proportion equation
283,861.34 : 425,860.40 = 106,369.88 : x - Step 2: Convert to fraction form
283,861.34/425,860.40 = 106,369.88/x - Step 3: Cross multiply
283,861.34x = 425,860.40 × 106,369.88 - Step 4: Simplify right side
283,861.34x = 45,298,719,644.75 - Step 5: Solve for x
x = 45,298,719,644.75/283,861.34 - Step 6: Final answer
x = 159,580.45
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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.