Finding the Fourth Proportional to 210,283.20, 290,197.62 and 119,636.91
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Solution
The fourth proportional to 210,283.20, 290,197.62 and 119,636.91 is: 165,102.81
Step by Step Solution
- Step 1: Write the proportion equation
210,283.20 : 290,197.62 = 119,636.91 : x - Step 2: Convert to fraction form
210,283.20/290,197.62 = 119,636.91/x - Step 3: Cross multiply
210,283.20x = 290,197.62 × 119,636.91 - Step 4: Simplify right side
210,283.20x = 34,718,346,546.15 - Step 5: Solve for x
x = 34,718,346,546.15/210,283.20 - Step 6: Final answer
x = 165,102.81
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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.