Finding the Fourth Proportional to 229,378.09, 344,067.14 and 71,620.06
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Solution
The fourth proportional to 229,378.09, 344,067.14 and 71,620.06 is: 107,430.09
Step by Step Solution
- Step 1: Write the proportion equation
229,378.09 : 344,067.14 = 71,620.06 : x - Step 2: Convert to fraction form
229,378.09/344,067.14 = 71,620.06/x - Step 3: Cross multiply
229,378.09x = 344,067.14 × 71,620.06 - Step 4: Simplify right side
229,378.09x = 24,642,109,210.83 - Step 5: Solve for x
x = 24,642,109,210.83/229,378.09 - Step 6: Final answer
x = 107,430.09
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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.