Finding the Fourth Proportional to 861,454.50, 1,292,181.68 and 230,351.91
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Solution
The fourth proportional to 861,454.50, 1,292,181.68 and 230,351.91 is: 345,527.85
Step by Step Solution
- Step 1: Write the proportion equation
861,454.50 : 1,292,181.68 = 230,351.91 : x - Step 2: Convert to fraction form
861,454.50/1,292,181.68 = 230,351.91/x - Step 3: Cross multiply
861,454.50x = 1,292,181.68 × 230,351.91 - Step 4: Simplify right side
861,454.50x = 297,656,519,758.00 - Step 5: Solve for x
x = 297,656,519,758.00/861,454.50 - Step 6: Final answer
x = 345,527.85
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1.5x scale
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.