Finding the Fourth Proportional to 862,981.74, 1,294,471.49 and 231,895.58
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Solution
The fourth proportional to 862,981.74, 1,294,471.49 and 231,895.58 is: 347,843.06
Step by Step Solution
- Step 1: Write the proportion equation
862,981.74 : 1,294,471.49 = 231,895.58 : x - Step 2: Convert to fraction form
862,981.74/1,294,471.49 = 231,895.58/x - Step 3: Cross multiply
862,981.74x = 1,294,471.49 × 231,895.58 - Step 4: Simplify right side
862,981.74x = 300,182,209,335.18 - Step 5: Solve for x
x = 300,182,209,335.18/862,981.74 - Step 6: Final answer
x = 347,843.06
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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.