Finding the Fourth Proportional to 355,422.75, 533,218.37 and 106,111.23
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Solution
The fourth proportional to 355,422.75, 533,218.37 and 106,111.23 is: 159,191.99
Step by Step Solution
- Step 1: Write the proportion equation
355,422.75 : 533,218.37 = 106,111.23 : x - Step 2: Convert to fraction form
355,422.75/533,218.37 = 106,111.23/x - Step 3: Cross multiply
355,422.75x = 533,218.37 × 106,111.23 - Step 4: Simplify right side
355,422.75x = 56,580,456,568.74 - Step 5: Solve for x
x = 56,580,456,568.74/355,422.75 - Step 6: Final answer
x = 159,191.99
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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.