Finding the Fourth Proportional to 210,465.36, 290,511.41 and 167,523.62
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Solution
The fourth proportional to 210,465.36, 290,511.41 and 167,523.62 is: 231,237.68
Step by Step Solution
- Step 1: Write the proportion equation
210,465.36 : 290,511.41 = 167,523.62 : x - Step 2: Convert to fraction form
210,465.36/290,511.41 = 167,523.62/x - Step 3: Cross multiply
210,465.36x = 290,511.41 × 167,523.62 - Step 4: Simplify right side
210,465.36x = 48,667,520,764.33 - Step 5: Solve for x
x = 48,667,520,764.33/210,465.36 - Step 6: Final answer
x = 231,237.68
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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.