Finding the Fourth Proportional to 343,651.97, 474,242.30 and 190,690.76
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Solution
The fourth proportional to 343,651.97, 474,242.30 and 190,690.76 is: 263,154.68
Step by Step Solution
- Step 1: Write the proportion equation
343,651.97 : 474,242.30 = 190,690.76 : x - Step 2: Convert to fraction form
343,651.97/474,242.30 = 190,690.76/x - Step 3: Cross multiply
343,651.97x = 474,242.30 × 190,690.76 - Step 4: Simplify right side
343,651.97x = 90,433,621,286.48 - Step 5: Solve for x
x = 90,433,621,286.48/343,651.97 - Step 6: Final answer
x = 263,154.68
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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.