Finding the Fourth Proportional to 331,888.84, 498,202.55 and 171,922.09
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Solution
The fourth proportional to 331,888.84, 498,202.55 and 171,922.09 is: 258,074.43
Step by Step Solution
- Step 1: Write the proportion equation
331,888.84 : 498,202.55 = 171,922.09 : x - Step 2: Convert to fraction form
331,888.84/498,202.55 = 171,922.09/x - Step 3: Cross multiply
331,888.84x = 498,202.55 × 171,922.09 - Step 4: Simplify right side
331,888.84x = 85,652,023,639.33 - Step 5: Solve for x
x = 85,652,023,639.33/331,888.84 - Step 6: Final answer
x = 258,074.43
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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.