Finding the Fourth Proportional to 236,605.80, 326,511.72 and 134,629.05
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Solution
The fourth proportional to 236,605.80, 326,511.72 and 134,629.05 is: 185,785.65
Step by Step Solution
- Step 1: Write the proportion equation
236,605.80 : 326,511.72 = 134,629.05 : x - Step 2: Convert to fraction form
236,605.80/326,511.72 = 134,629.05/x - Step 3: Cross multiply
236,605.80x = 326,511.72 × 134,629.05 - Step 4: Simplify right side
236,605.80x = 43,957,962,677.47 - Step 5: Solve for x
x = 43,957,962,677.47/236,605.80 - Step 6: Final answer
x = 185,785.65
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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.