Finding the Fourth Proportional to 236,251.26, 326,025.95 and 128,821.03
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Solution
The fourth proportional to 236,251.26, 326,025.95 and 128,821.03 is: 177,772.59
Step by Step Solution
- Step 1: Write the proportion equation
236,251.26 : 326,025.95 = 128,821.03 : x - Step 2: Convert to fraction form
236,251.26/326,025.95 = 128,821.03/x - Step 3: Cross multiply
236,251.26x = 326,025.95 × 128,821.03 - Step 4: Simplify right side
236,251.26x = 41,998,997,226.56 - Step 5: Solve for x
x = 41,998,997,226.56/236,251.26 - Step 6: Final answer
x = 177,772.59
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1.5x scale
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.