Finding the Fourth Proportional to 254,881.13, 381,796.74 and 149,445.86
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Solution
The fourth proportional to 254,881.13, 381,796.74 and 149,445.86 is: 223,860.99
Step by Step Solution
- Step 1: Write the proportion equation
254,881.13 : 381,796.74 = 149,445.86 : x - Step 2: Convert to fraction form
254,881.13/381,796.74 = 149,445.86/x - Step 3: Cross multiply
254,881.13x = 381,796.74 × 149,445.86 - Step 4: Simplify right side
254,881.13x = 57,057,940,245.51 - Step 5: Solve for x
x = 57,057,940,245.51/254,881.13 - Step 6: Final answer
x = 223,860.99
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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.