Finding the Fourth Proportional to 861,454.38, 1,292,181.49 and 230,351.79
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Solution
The fourth proportional to 861,454.38, 1,292,181.49 and 230,351.79 is: 345,527.66
Step by Step Solution
- Step 1: Write the proportion equation
861,454.38 : 1,292,181.49 = 230,351.79 : x - Step 2: Convert to fraction form
861,454.38/1,292,181.49 = 230,351.79/x - Step 3: Cross multiply
861,454.38x = 1,292,181.49 × 230,351.79 - Step 4: Simplify right side
861,454.38x = 297,656,319,226.37 - Step 5: Solve for x
x = 297,656,319,226.37/861,454.38 - Step 6: Final answer
x = 345,527.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.