Finding the Fourth Proportional to 216,273.11, 298,462.86 and 120,785.99
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Solution
The fourth proportional to 216,273.11, 298,462.86 and 120,785.99 is: 166,688.00
Step by Step Solution
- Step 1: Write the proportion equation
216,273.11 : 298,462.86 = 120,785.99 : x - Step 2: Convert to fraction form
216,273.11/298,462.86 = 120,785.99/x - Step 3: Cross multiply
216,273.11x = 298,462.86 × 120,785.99 - Step 4: Simplify right side
216,273.11x = 36,050,130,531.02 - Step 5: Solve for x
x = 36,050,130,531.02/216,273.11 - Step 6: Final answer
x = 166,688.00
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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.