Finding the Fourth Proportional to 151,750.40, 227,671.68 and 68,645.12
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Solution
The fourth proportional to 151,750.40, 227,671.68 and 68,645.12 is: 102,988.52
Step by Step Solution
- Step 1: Write the proportion equation
151,750.40 : 227,671.68 = 68,645.12 : x - Step 2: Convert to fraction form
151,750.40/227,671.68 = 68,645.12/x - Step 3: Cross multiply
151,750.40x = 227,671.68 × 68,645.12 - Step 4: Simplify right side
151,750.40x = 15,628,549,794.20 - Step 5: Solve for x
x = 15,628,549,794.20/151,750.40 - Step 6: Final answer
x = 102,988.52
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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.