Finding the Fourth Proportional to 236,656.68, 326,599.50 and 129,236.70
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Solution
The fourth proportional to 236,656.68, 326,599.50 and 129,236.70 is: 178,353.90
Step by Step Solution
- Step 1: Write the proportion equation
236,656.68 : 326,599.50 = 129,236.70 : x - Step 2: Convert to fraction form
236,656.68/326,599.50 = 129,236.70/x - Step 3: Cross multiply
236,656.68x = 326,599.50 × 129,236.70 - Step 4: Simplify right side
236,656.68x = 42,208,641,601.65 - Step 5: Solve for x
x = 42,208,641,601.65/236,656.68 - Step 6: Final answer
x = 178,353.90
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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.