Finding the Fourth Proportional to 210,093.70, 289,918.65 and 114,599.62
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Solution
The fourth proportional to 210,093.70, 289,918.65 and 114,599.62 is: 158,141.66
Step by Step Solution
- Step 1: Write the proportion equation
210,093.70 : 289,918.65 = 114,599.62 : x - Step 2: Convert to fraction form
210,093.70/289,918.65 = 114,599.62/x - Step 3: Cross multiply
210,093.70x = 289,918.65 × 114,599.62 - Step 4: Simplify right side
210,093.70x = 33,224,567,120.91 - Step 5: Solve for x
x = 33,224,567,120.91/210,093.70 - Step 6: Final answer
x = 158,141.66
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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.