Finding the Fourth Proportional to 306,765.30, 459,992.22 and 230,163.06
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Solution
The fourth proportional to 306,765.30, 459,992.22 and 230,163.06 is: 345,127.75
Step by Step Solution
- Step 1: Write the proportion equation
306,765.30 : 459,992.22 = 230,163.06 : x - Step 2: Convert to fraction form
306,765.30/459,992.22 = 230,163.06/x - Step 3: Cross multiply
306,765.30x = 459,992.22 × 230,163.06 - Step 4: Simplify right side
306,765.30x = 105,873,216,931.39 - Step 5: Solve for x
x = 105,873,216,931.39/306,765.30 - Step 6: Final answer
x = 345,127.75
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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.