Finding the Fourth Proportional to 236,249.93, 326,017.78 and 128,822.06
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Solution
The fourth proportional to 236,249.93, 326,017.78 and 128,822.06 is: 177,770.56
Step by Step Solution
- Step 1: Write the proportion equation
236,249.93 : 326,017.78 = 128,822.06 : x - Step 2: Convert to fraction form
236,249.93/326,017.78 = 128,822.06/x - Step 3: Cross multiply
236,249.93x = 326,017.78 × 128,822.06 - Step 4: Simplify right side
236,249.93x = 41,998,282,509.22 - Step 5: Solve for x
x = 41,998,282,509.22/236,249.93 - Step 6: Final answer
x = 177,770.56
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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.