Finding the Fourth Proportional to 218,295.21, 301,246.95 and 122,801.99
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Solution
The fourth proportional to 218,295.21, 301,246.95 and 122,801.99 is: 169,466.49
Step by Step Solution
- Step 1: Write the proportion equation
218,295.21 : 301,246.95 = 122,801.99 : x - Step 2: Convert to fraction form
218,295.21/301,246.95 = 122,801.99/x - Step 3: Cross multiply
218,295.21x = 301,246.95 × 122,801.99 - Step 4: Simplify right side
218,295.21x = 36,993,723,435.20 - Step 5: Solve for x
x = 36,993,723,435.20/218,295.21 - Step 6: Final answer
x = 169,466.49
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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.