Finding the Fourth Proportional to 236,932.08, 355,416.81 and 79,161.09
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Solution
The fourth proportional to 236,932.08, 355,416.81 and 79,161.09 is: 118,747.88
Step by Step Solution
- Step 1: Write the proportion equation
236,932.08 : 355,416.81 = 79,161.09 : x - Step 2: Convert to fraction form
236,932.08/355,416.81 = 79,161.09/x - Step 3: Cross multiply
236,932.08x = 355,416.81 × 79,161.09 - Step 4: Simplify right side
236,932.08x = 28,135,182,083.92 - Step 5: Solve for x
x = 28,135,182,083.92/236,932.08 - Step 6: Final answer
x = 118,747.88
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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.