Finding the Fourth Proportional to 236,485.13, 326,356.36 and 129,062.03
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Solution
The fourth proportional to 236,485.13, 326,356.36 and 129,062.03 is: 178,109.35
Step by Step Solution
- Step 1: Write the proportion equation
236,485.13 : 326,356.36 = 129,062.03 : x - Step 2: Convert to fraction form
236,485.13/326,356.36 = 129,062.03/x - Step 3: Cross multiply
236,485.13x = 326,356.36 × 129,062.03 - Step 4: Simplify right side
236,485.13x = 42,120,212,370.57 - Step 5: Solve for x
x = 42,120,212,370.57/236,485.13 - Step 6: Final answer
x = 178,109.35
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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.