Finding the Fourth Proportional to 210,570.18, 290,586.38 and 119,926.14
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Solution
The fourth proportional to 210,570.18, 290,586.38 and 119,926.14 is: 165,497.80
Step by Step Solution
- Step 1: Write the proportion equation
210,570.18 : 290,586.38 = 119,926.14 : x - Step 2: Convert to fraction form
210,570.18/290,586.38 = 119,926.14/x - Step 3: Cross multiply
210,570.18x = 290,586.38 × 119,926.14 - Step 4: Simplify right side
210,570.18x = 34,848,902,290.34 - Step 5: Solve for x
x = 34,848,902,290.34/210,570.18 - Step 6: Final answer
x = 165,497.80
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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.