Finding the Fourth Proportional to 418,793.97, 628,398.54 and 166,069.05
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Solution
The fourth proportional to 418,793.97, 628,398.54 and 166,069.05 is: 249,185.89
Step by Step Solution
- Step 1: Write the proportion equation
418,793.97 : 628,398.54 = 166,069.05 : x - Step 2: Convert to fraction form
418,793.97/628,398.54 = 166,069.05/x - Step 3: Cross multiply
418,793.97x = 628,398.54 × 166,069.05 - Step 4: Simplify right side
418,793.97x = 104,357,548,559.19 - Step 5: Solve for x
x = 104,357,548,559.19/418,793.97 - Step 6: Final answer
x = 249,185.89
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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.