Finding the Fourth Proportional to 218,294.71, 301,246.26 and 122,801.49
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Solution
The fourth proportional to 218,294.71, 301,246.26 and 122,801.49 is: 169,465.81
Step by Step Solution
- Step 1: Write the proportion equation
218,294.71 : 301,246.26 = 122,801.49 : x - Step 2: Convert to fraction form
218,294.71/301,246.26 = 122,801.49/x - Step 3: Cross multiply
218,294.71x = 301,246.26 × 122,801.49 - Step 4: Simplify right side
218,294.71x = 36,993,489,584.93 - Step 5: Solve for x
x = 36,993,489,584.93/218,294.71 - Step 6: Final answer
x = 169,465.81
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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.