Finding the Fourth Proportional to 471,189.13, 706,863.07 and 218,367.07
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Solution
The fourth proportional to 471,189.13, 706,863.07 and 218,367.07 is: 327,587.39
Step by Step Solution
- Step 1: Write the proportion equation
471,189.13 : 706,863.07 = 218,367.07 : x - Step 2: Convert to fraction form
471,189.13/706,863.07 = 218,367.07/x - Step 3: Cross multiply
471,189.13x = 706,863.07 × 218,367.07 - Step 4: Simplify right side
471,189.13x = 154,355,615,992.91 - Step 5: Solve for x
x = 154,355,615,992.91/471,189.13 - Step 6: Final answer
x = 327,587.39
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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.