Finding the Fourth Proportional to 400,246.56, 600,369.84 and 189,769.68
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Solution
The fourth proportional to 400,246.56, 600,369.84 and 189,769.68 is: 284,654.52
Step by Step Solution
- Step 1: Write the proportion equation
400,246.56 : 600,369.84 = 189,769.68 : x - Step 2: Convert to fraction form
400,246.56/600,369.84 = 189,769.68/x - Step 3: Cross multiply
400,246.56x = 600,369.84 × 189,769.68 - Step 4: Simplify right side
400,246.56x = 113,931,992,418.45 - Step 5: Solve for x
x = 113,931,992,418.45/400,246.56 - Step 6: Final answer
x = 284,654.52
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1.5x scale
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.