Finding the Fourth Proportional to 343,759.06, 515,652.56 and 163,751.94
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Solution
The fourth proportional to 343,759.06, 515,652.56 and 163,751.94 is: 245,634.56
Step by Step Solution
- Step 1: Write the proportion equation
343,759.06 : 515,652.56 = 163,751.94 : x - Step 2: Convert to fraction form
343,759.06/515,652.56 = 163,751.94/x - Step 3: Cross multiply
343,759.06x = 515,652.56 × 163,751.94 - Step 4: Simplify right side
343,759.06x = 84,439,107,065.97 - Step 5: Solve for x
x = 84,439,107,065.97/343,759.06 - Step 6: Final answer
x = 245,634.56
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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.