Finding the Fourth Proportional to 216,449.86, 324,740.49 and 104,098.19
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Solution
The fourth proportional to 216,449.86, 324,740.49 and 104,098.19 is: 156,178.88
Step by Step Solution
- Step 1: Write the proportion equation
216,449.86 : 324,740.49 = 104,098.19 : x - Step 2: Convert to fraction form
216,449.86/324,740.49 = 104,098.19/x - Step 3: Cross multiply
216,449.86x = 324,740.49 × 104,098.19 - Step 4: Simplify right side
216,449.86x = 33,804,896,708.22 - Step 5: Solve for x
x = 33,804,896,708.22/216,449.86 - Step 6: Final answer
x = 156,178.88
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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.