Finding the Fourth Proportional to 254,534.01, 381,884.06 and 121,396.97
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Solution
The fourth proportional to 254,534.01, 381,884.06 and 121,396.97 is: 182,135.06
Step by Step Solution
- Step 1: Write the proportion equation
254,534.01 : 381,884.06 = 121,396.97 : x - Step 2: Convert to fraction form
254,534.01/381,884.06 = 121,396.97/x - Step 3: Cross multiply
254,534.01x = 381,884.06 × 121,396.97 - Step 4: Simplify right side
254,534.01x = 46,359,565,714.13 - Step 5: Solve for x
x = 46,359,565,714.13/254,534.01 - Step 6: Final answer
x = 182,135.06
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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.