Finding the Fourth Proportional to 256,559.00, 354,072.87 and 170,365.68
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Solution
The fourth proportional to 256,559.00, 354,072.87 and 170,365.68 is: 235,118.89
Step by Step Solution
- Step 1: Write the proportion equation
256,559.00 : 354,072.87 = 170,365.68 : x - Step 2: Convert to fraction form
256,559.00/354,072.87 = 170,365.68/x - Step 3: Cross multiply
256,559.00x = 354,072.87 × 170,365.68 - Step 4: Simplify right side
256,559.00x = 60,321,865,267.10 - Step 5: Solve for x
x = 60,321,865,267.10/256,559.00 - Step 6: Final answer
x = 235,118.89
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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.