Finding the Fourth Proportional to 218,785.95, 301,924.80 and 118,183.95
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Solution
The fourth proportional to 218,785.95, 301,924.80 and 118,183.95 is: 163,093.95
Step by Step Solution
- Step 1: Write the proportion equation
218,785.95 : 301,924.80 = 118,183.95 : x - Step 2: Convert to fraction form
218,785.95/301,924.80 = 118,183.95/x - Step 3: Cross multiply
218,785.95x = 301,924.80 × 118,183.95 - Step 4: Simplify right side
218,785.95x = 35,682,665,466.96 - Step 5: Solve for x
x = 35,682,665,466.96/218,785.95 - Step 6: Final answer
x = 163,093.95
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1.5x scale
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.