Finding the Fourth Proportional to 210,168.18, 290,038.48 and 119,537.19
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Solution
The fourth proportional to 210,168.18, 290,038.48 and 119,537.19 is: 164,964.96
Step by Step Solution
- Step 1: Write the proportion equation
210,168.18 : 290,038.48 = 119,537.19 : x - Step 2: Convert to fraction form
210,168.18/290,038.48 = 119,537.19/x - Step 3: Cross multiply
210,168.18x = 290,038.48 × 119,537.19 - Step 4: Simplify right side
210,168.18x = 34,670,384,891.07 - Step 5: Solve for x
x = 34,670,384,891.07/210,168.18 - Step 6: Final answer
x = 164,964.96
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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.