Finding the Fourth Proportional to 214,760.40, 321,998.42 and 102,457.95
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Solution
The fourth proportional to 214,760.40, 321,998.42 and 102,457.95 is: 153,619.09
Step by Step Solution
- Step 1: Write the proportion equation
214,760.40 : 321,998.42 = 102,457.95 : x - Step 2: Convert to fraction form
214,760.40/321,998.42 = 102,457.95/x - Step 3: Cross multiply
214,760.40x = 321,998.42 × 102,457.95 - Step 4: Simplify right side
214,760.40x = 32,991,298,309.15 - Step 5: Solve for x
x = 32,991,298,309.15/214,760.40 - Step 6: Final answer
x = 153,619.09
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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.