Finding the Fourth Proportional to 214,786.74, 322,219.74 and 70,700.70
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Solution
The fourth proportional to 214,786.74, 322,219.74 and 70,700.70 is: 106,064.09
Step by Step Solution
- Step 1: Write the proportion equation
214,786.74 : 322,219.74 = 70,700.70 : x - Step 2: Convert to fraction form
214,786.74/322,219.74 = 70,700.70/x - Step 3: Cross multiply
214,786.74x = 322,219.74 × 70,700.70 - Step 4: Simplify right side
214,786.74x = 22,781,161,171.82 - Step 5: Solve for x
x = 22,781,161,171.82/214,786.74 - Step 6: Final answer
x = 106,064.09
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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.