Finding the Fourth Proportional to 86,206.19, 129,267.63 and 30,044.97
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Solution
The fourth proportional to 86,206.19, 129,267.63 and 30,044.97 is: 45,052.94
Step by Step Solution
- Step 1: Write the proportion equation
86,206.19 : 129,267.63 = 30,044.97 : x - Step 2: Convert to fraction form
86,206.19/129,267.63 = 30,044.97/x - Step 3: Cross multiply
86,206.19x = 129,267.63 × 30,044.97 - Step 4: Simplify right side
86,206.19x = 3,883,842,065.32 - Step 5: Solve for x
x = 3,883,842,065.32/86,206.19 - Step 6: Final answer
x = 45,052.94
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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.