Finding the Fourth Proportional to 324,457.20, 447,763.68 and 188,489.52
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Solution
The fourth proportional to 324,457.20, 447,763.68 and 188,489.52 is: 260,122.94
Step by Step Solution
- Step 1: Write the proportion equation
324,457.20 : 447,763.68 = 188,489.52 : x - Step 2: Convert to fraction form
324,457.20/447,763.68 = 188,489.52/x - Step 3: Cross multiply
324,457.20x = 447,763.68 × 188,489.52 - Step 4: Simplify right side
324,457.20x = 84,398,761,116.63 - Step 5: Solve for x
x = 84,398,761,116.63/324,457.20 - Step 6: Final answer
x = 260,122.94
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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.