Finding the Fourth Proportional to 210,844.98, 290,972.97 and 115,349.46
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Solution
The fourth proportional to 210,844.98, 290,972.97 and 115,349.46 is: 159,186.03
Step by Step Solution
- Step 1: Write the proportion equation
210,844.98 : 290,972.97 = 115,349.46 : x - Step 2: Convert to fraction form
210,844.98/290,972.97 = 115,349.46/x - Step 3: Cross multiply
210,844.98x = 290,972.97 × 115,349.46 - Step 4: Simplify right side
210,844.98x = 33,563,574,964.10 - Step 5: Solve for x
x = 33,563,574,964.10/210,844.98 - Step 6: Final answer
x = 159,186.03
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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.