Finding the Fourth Proportional to 204,454.86, 282,177.84 and 122,788.62
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Solution
The fourth proportional to 204,454.86, 282,177.84 and 122,788.62 is: 169,466.39
Step by Step Solution
- Step 1: Write the proportion equation
204,454.86 : 282,177.84 = 122,788.62 : x - Step 2: Convert to fraction form
204,454.86/282,177.84 = 122,788.62/x - Step 3: Cross multiply
204,454.86x = 282,177.84 × 122,788.62 - Step 4: Simplify right side
204,454.86x = 34,648,227,568.18 - Step 5: Solve for x
x = 34,648,227,568.18/204,454.86 - Step 6: Final answer
x = 169,466.39
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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.