Finding the Fourth Proportional to 214,484.76, 321,730.92 and 74,247.84
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Solution
The fourth proportional to 214,484.76, 321,730.92 and 74,247.84 is: 111,373.07
Step by Step Solution
- Step 1: Write the proportion equation
214,484.76 : 321,730.92 = 74,247.84 : x - Step 2: Convert to fraction form
214,484.76/321,730.92 = 74,247.84/x - Step 3: Cross multiply
214,484.76x = 321,730.92 × 74,247.84 - Step 4: Simplify right side
214,484.76x = 23,887,825,871.21 - Step 5: Solve for x
x = 23,887,825,871.21/214,484.76 - Step 6: Final answer
x = 111,373.07
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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.