Finding the Fourth Proportional to 234,647.71, 324,081.08 and 159,064.99
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Solution
The fourth proportional to 234,647.71, 324,081.08 and 159,064.99 is: 219,690.85
Step by Step Solution
- Step 1: Write the proportion equation
234,647.71 : 324,081.08 = 159,064.99 : x - Step 2: Convert to fraction form
234,647.71/324,081.08 = 159,064.99/x - Step 3: Cross multiply
234,647.71x = 324,081.08 × 159,064.99 - Step 4: Simplify right side
234,647.71x = 51,549,953,749.39 - Step 5: Solve for x
x = 51,549,953,749.39/234,647.71 - Step 6: Final answer
x = 219,690.85
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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.