Finding the Fourth Proportional to 210,544.98, 290,552.84 and 115,051.70
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Solution
The fourth proportional to 210,544.98, 290,552.84 and 115,051.70 is: 158,771.77
Step by Step Solution
- Step 1: Write the proportion equation
210,544.98 : 290,552.84 = 115,051.70 : x - Step 2: Convert to fraction form
210,544.98/290,552.84 = 115,051.70/x - Step 3: Cross multiply
210,544.98x = 290,552.84 × 115,051.70 - Step 4: Simplify right side
210,544.98x = 33,428,598,181.83 - Step 5: Solve for x
x = 33,428,598,181.83/210,544.98 - Step 6: Final answer
x = 158,771.77
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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.