Finding the Fourth Proportional to 354,977.52, 489,871.36 and 193,833.68
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Solution
The fourth proportional to 354,977.52, 489,871.36 and 193,833.68 is: 267,491.78
Step by Step Solution
- Step 1: Write the proportion equation
354,977.52 : 489,871.36 = 193,833.68 : x - Step 2: Convert to fraction form
354,977.52/489,871.36 = 193,833.68/x - Step 3: Cross multiply
354,977.52x = 489,871.36 × 193,833.68 - Step 4: Simplify right side
354,977.52x = 94,953,568,435.40 - Step 5: Solve for x
x = 94,953,568,435.40/354,977.52 - Step 6: Final answer
x = 267,491.78
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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.