Finding the Fourth Proportional to 462,954.87, 638,902.53 and 258,993.62
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Solution
The fourth proportional to 462,954.87, 638,902.53 and 258,993.62 is: 357,425.08
Step by Step Solution
- Step 1: Write the proportion equation
462,954.87 : 638,902.53 = 258,993.62 : x - Step 2: Convert to fraction form
462,954.87/638,902.53 = 258,993.62/x - Step 3: Cross multiply
462,954.87x = 638,902.53 × 258,993.62 - Step 4: Simplify right side
462,954.87x = 165,471,681,640.34 - Step 5: Solve for x
x = 165,471,681,640.34/462,954.87 - Step 6: Final answer
x = 357,425.08
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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.