Finding the Fourth Proportional to 270,077.58, 405,370.56 and 137,053.26
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Solution
The fourth proportional to 270,077.58, 405,370.56 and 137,053.26 is: 205,708.88
Step by Step Solution
- Step 1: Write the proportion equation
270,077.58 : 405,370.56 = 137,053.26 : x - Step 2: Convert to fraction form
270,077.58/405,370.56 = 137,053.26/x - Step 3: Cross multiply
270,077.58x = 405,370.56 × 137,053.26 - Step 4: Simplify right side
270,077.58x = 55,557,356,756.03 - Step 5: Solve for x
x = 55,557,356,756.03/270,077.58 - Step 6: Final answer
x = 205,708.88
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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.