Finding the Fourth Proportional to 391,415.44, 587,122.08 and 110,935.12
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Solution
The fourth proportional to 391,415.44, 587,122.08 and 110,935.12 is: 166,402.37
Step by Step Solution
- Step 1: Write the proportion equation
391,415.44 : 587,122.08 = 110,935.12 : x - Step 2: Convert to fraction form
391,415.44/587,122.08 = 110,935.12/x - Step 3: Cross multiply
391,415.44x = 587,122.08 × 110,935.12 - Step 4: Simplify right side
391,415.44x = 65,132,458,399.45 - Step 5: Solve for x
x = 65,132,458,399.45/391,415.44 - Step 6: Final answer
x = 166,402.37
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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.