Finding the Fourth Proportional to 422,873.56, 583,000.97 and 335,947.09
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Solution
The fourth proportional to 422,873.56, 583,000.97 and 335,947.09 is: 463,158.49
Step by Step Solution
- Step 1: Write the proportion equation
422,873.56 : 583,000.97 = 335,947.09 : x - Step 2: Convert to fraction form
422,873.56/583,000.97 = 335,947.09/x - Step 3: Cross multiply
422,873.56x = 583,000.97 × 335,947.09 - Step 4: Simplify right side
422,873.56x = 195,857,479,338.68 - Step 5: Solve for x
x = 195,857,479,338.68/422,873.56 - Step 6: Final answer
x = 463,158.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.