Finding the Fourth Proportional to 218,610.34, 327,866.29 and 142,684.99
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Solution
The fourth proportional to 218,610.34, 327,866.29 and 142,684.99 is: 213,995.36
Step by Step Solution
- Step 1: Write the proportion equation
218,610.34 : 327,866.29 = 142,684.99 : x - Step 2: Convert to fraction form
218,610.34/327,866.29 = 142,684.99/x - Step 3: Cross multiply
218,610.34x = 327,866.29 × 142,684.99 - Step 4: Simplify right side
218,610.34x = 46,781,598,309.99 - Step 5: Solve for x
x = 46,781,598,309.99/218,610.34 - Step 6: Final answer
x = 213,995.36
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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.